diff --git a/application/controllers/api/frontend/v1/lv/Gruppe.php b/application/controllers/api/frontend/v1/lv/Gruppe.php
index daebe8a61..f60d3a99a 100644
--- a/application/controllers/api/frontend/v1/lv/Gruppe.php
+++ b/application/controllers/api/frontend/v1/lv/Gruppe.php
@@ -15,6 +15,7 @@ class Gruppe extends FHCAPI_Controller
 			'getBenutzerSearch' => ['admin:r', 'assistenz:r'],
 			'getAllSearch' => ['admin:r', 'assistenz:r'],
 			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+			'getGruppe' => ['admin:r', 'assistenz:r'],
 		]);
 
 		$this->_ci = &get_instance();
@@ -67,7 +68,7 @@ class Gruppe extends FHCAPI_Controller
 
 		$this->checkPermission($lehreinheit_id);
 
-		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, !($lehrverband === 'false'));
+		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, $lehrverband === true || $lehrverband === 'true');
 
 		if (isError($result))
 			$this->terminateWithError(getError($result));
@@ -75,6 +76,71 @@ class Gruppe extends FHCAPI_Controller
 		$this->terminateWithSuccess($result);
 	}
 
+	public function getGruppe()
+	{
+		$lehrverband = $this->input->post('lehrverband');
+
+		$gruppen_result = array();
+
+		if ($lehrverband === false)
+		{
+			$gruppen_result = $this->_ci->GruppeModel->loadWhere(array(
+				'studiengang_kz' => $this->input->post('stg_kz'),
+				'gruppe_kurzbz' => $this->input->post('gruppe_kurzbz'),
+				'aktiv' => true
+			));
+		}
+		else if ($lehrverband === true)
+		{
+
+			if (!isEmptyString($this->input->post('verband')))
+			{
+				$this->LehrverbandModel->db->where('verband', $this->input->post('verband'));
+			}
+			else
+			{
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("trim(verband) = ''");
+				$this->LehrverbandModel->db->or_where("verband IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			if (!isEmptyString($this->input->post('gruppe')))
+			{
+				$this->LehrverbandModel->db->where('gruppe', $this->input->post('gruppe'));
+			}
+			else
+			{
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("trim(gruppe) = ''");
+				$this->LehrverbandModel->db->or_where("gruppe IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			if (!isEmptyString((string)$this->input->post('semester')))
+			{
+				$this->LehrverbandModel->db->where('semester', $this->input->post('semester'));
+			}
+			else
+			{
+
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("semester = ''");
+				$this->LehrverbandModel->db->or_where("semester IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			$gruppen_result = $this->LehrverbandModel->loadWhere(array('studiengang_kz' => $this->input->post('stg_kz'), 'aktiv' => true));
+		}
+
+		if (!hasData($gruppen_result))
+			return $this->terminateWithError('No group found');
+
+		$gruppen_array = getData($gruppen_result)[0];
+
+		$this->terminateWithSuccess($gruppen_array->gid);
+	}
+
 	public function getByLehreinheit($lehreinheit_id = null)
 	{
 		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
diff --git a/application/controllers/api/frontend/v1/lv/StgTree.php b/application/controllers/api/frontend/v1/lv/StgTree.php
index 8272da978..f36d4030f 100644
--- a/application/controllers/api/frontend/v1/lv/StgTree.php
+++ b/application/controllers/api/frontend/v1/lv/StgTree.php
@@ -25,7 +25,25 @@ class StgTree extends FHCAPI_Controller
 			return $this->_outputAuthError([$method => ['admin:r', 'assistenz:r']]);
 		}
 
-		return $this->getStudiengang($method);
+		$count = count($params);
+		if (!$count)
+			return $this->getStudiengang($method);
+
+		if ($count == 1) {
+			if (is_numeric($params[0]))
+				return $this->getSemester($method, $params[0]);
+			else
+				return $this->getStudiengang($method, $params[0]);
+		}
+		if ($count == 2) {
+			if (is_numeric($params[0]))
+				return $this->getVerband($method, $params[0], $params[1]);
+			else
+				return $this->getSemester($method, $params[1], $params[0]);
+		}
+
+
+
 		show_404();
 	}
 
@@ -64,16 +82,27 @@ class StgTree extends FHCAPI_Controller
 		$this->terminateWithSuccess($list);
 	}
 
-	protected function getStudiengang($studiengang_kz)
+	protected function getStudiengang($studiengang_kz, $org_form = null)
 	{
 		$link = $studiengang_kz . '/';
+		if ($org_form !== null)
+			$link .= $org_form . '/';
 
 		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
 
 		$this->StudiengangModel->addDistinct();
 		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", semester) AS link", false);
-		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester ORDER BY verband, gruppe LIMIT 1)) AS name", false);
-		$this->StudiengangModel->addSelect("TRUE AS leaf", false);
+		$this->StudiengangModel->addSelect("CONCAT(
+			UPPER(CONCAT(typ, kurzbz)), 
+			'-', 
+			semester, 
+			(
+				SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END 
+				FROM public.tbl_lehrverband 
+				WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester 
+				ORDER BY verband, gruppe LIMIT 1
+			)
+		) AS name", false);
 
 		$this->StudiengangModel->addSelect('semester');
 		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
@@ -111,6 +140,115 @@ class StgTree extends FHCAPI_Controller
 				$list = array_merge($list, $result);
 			}
 		}
+		$this->terminateWithSuccess($list);
+	}
+
+	protected function getSemester($studiengang_kz, $semester, $org_form = null)
+	{
+		$link = $studiengang_kz . '/';
+		if ($org_form !== null)
+			$link .= $org_form . '/';
+		$link .= $semester . '/';
+
+
+		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
+
+		$this->GruppeModel->addDistinct();
+		$this->GruppeModel->addSelect("CONCAT(" . $this->GruppeModel->escape($link . 'grp/') . ", gruppe_kurzbz) AS link", false);
+		$this->GruppeModel->addSelect("CONCAT(gruppe_kurzbz, ' (', bezeichnung, ')') AS name", false);
+		$this->GruppeModel->addSelect("TRUE AS leaf", false);
+
+		$this->GruppeModel->addSelect('sort');
+		$this->GruppeModel->addSelect('gruppe_kurzbz');
+		$this->GruppeModel->addSelect($this->GruppeModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+
+		$this->GruppeModel->addOrder('sort');
+		$this->GruppeModel->addOrder('gruppe_kurzbz');
+
+		$where = [
+			'studiengang_kz' => $studiengang_kz,
+			'semester' => $semester,
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false
+		];
+
+		if ($org_form !== null)
+			$where['orgform_kurzbz'] = $org_form;
+
+		$result = $this->GruppeModel->loadWhere($where);
+
+		$list = $this->getDataOrTerminateWithError($result);
+
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", verband) AS link", false);
+		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester AND verband=v.verband ORDER BY gruppe LIMIT 1)) AS name", false);
+		$this->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");
+
+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($semester) . ' AS semester');
+		$this->StudiengangModel->addSelect('verband');
+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+
+		$this->StudiengangModel->addOrder('verband');
+
+		$this->StudiengangModel->addGroupBy('link, name, verband');
+
+		$where = [
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.semester' => $semester,
+			'v.verband !=' => '',
+			'v.aktiv' => true
+		];
+
+		if ($org_form !== null && $semester) // NOTE(chris): on semester 0 show all?
+			$where['v.orgform_kurzbz'] = $org_form;
+
+		$result = $this->StudiengangModel->loadWhere($where);
+		$result = $this->getDataOrTerminateWithError($result);
+
+		$list = array_merge($list, $result);
+
+		$this->terminateWithSuccess($list);
+	}
+
+	protected function getVerband($studiengang_kz, $semester, $verband, $org_form = null)
+	{
+		$link = $studiengang_kz . '/';
+		if ($org_form !== null)
+			$link .= $org_form . '/';
+		$link .= $semester . '/'. $verband . '/';
+
+
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addDistinct();
+		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", gruppe) AS link", false);
+		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, gruppe, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester AND verband=v.verband AND gruppe=v.gruppe ORDER BY gruppe LIMIT 1)) AS name", false);
+		$this->StudiengangModel->addSelect("TRUE AS leaf", false);
+
+		$this->StudiengangModel->addSelect('v.semester');
+		$this->StudiengangModel->addSelect('v.verband');
+		$this->StudiengangModel->addSelect('gruppe');
+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+
+		$this->StudiengangModel->addOrder('gruppe');
+
+		$where = [
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.semester' => $semester,
+			'v.verband' => $verband,
+			'v.gruppe !=' => '',
+			'v.aktiv' => true
+		];
+
+		if ($org_form !== null && $semester)
+			$where['v.orgform_kurzbz'] = $org_form;
+
+		$result = $this->StudiengangModel->loadWhere($where);
+
+		$list = $this->getDataOrTerminateWithError($result);
 
 		$this->terminateWithSuccess($list);
 	}
diff --git a/application/models/education/Lehreinheitgruppe_model.php b/application/models/education/Lehreinheitgruppe_model.php
index dee8bbfe1..139d639cb 100644
--- a/application/models/education/Lehreinheitgruppe_model.php
+++ b/application/models/education/Lehreinheitgruppe_model.php
@@ -341,7 +341,7 @@ class Lehreinheitgruppe_model extends DB_Model
 		$this->db->where('lehreinheit_id', $lehreinheit_id);
 		$this->db->where('studiengang_kz', $gruppen_array->studiengang_kz);
 
-		if (!isEmptyString($gruppen_array->semester))
+		if (!isEmptyString((string)$gruppen_array->semester))
 		{
 			$this->db->where('semester', $gruppen_array->semester);
 		}
@@ -444,30 +444,37 @@ class Lehreinheitgruppe_model extends DB_Model
 										) 
 									ELSE tbl_gruppe.beschreibung
 								END AS beschreibung");
-		$this->addSelect("CASE 
-									WHEN tbl_lehreinheitgruppe.gruppe_kurzbz IS NULL THEN 
-										(
-											SELECT EXISTS (
-												SELECT 1 
-												FROM lehre.tbl_stundenplandev
-												WHERE lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
-													AND studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-													AND semester = tbl_lehreinheitgruppe.semester
-													AND TRIM(COALESCE(verband, '')) = TRIM(tbl_lehreinheitgruppe.verband)
-													AND TRIM(COALESCE(gruppe, '')) = TRIM(tbl_lehreinheitgruppe.gruppe)
-													AND (gruppe_kurzbz IS NULL OR gruppe_kurzbz = '')
-											)
-										)
-									ELSE 
+		$this->addSelect("
+									CASE
+										WHEN trim(COALESCE(tbl_lehreinheitgruppe.gruppe_kurzbz, '')) = '' THEN
 										(
 											SELECT EXISTS (
 												SELECT 1
-												FROM lehre.tbl_stundenplandev
-												WHERE lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
-													AND gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
+												FROM lehre.tbl_stundenplandev sp
+												WHERE sp.lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
+													AND sp.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+													AND sp.semester = tbl_lehreinheitgruppe.semester
+													AND trim(COALESCE(sp.verband, '')) = trim(COALESCE(tbl_lehreinheitgruppe.verband, ''))
+													AND trim(COALESCE(sp.gruppe, ''))  = trim(COALESCE(tbl_lehreinheitgruppe.gruppe, ''))
+													AND trim(COALESCE(sp.gruppe_kurzbz, '')) = ''
 											)
 										)
-								END AS verplant");
+									ELSE
+										(
+											SELECT EXISTS (
+												SELECT 1
+												FROM lehre.tbl_stundenplandev sp
+												WHERE sp.lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
+													AND sp.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+													AND sp.semester = tbl_lehreinheitgruppe.semester
+													AND trim(COALESCE(sp.verband, '')) = trim(COALESCE(tbl_lehreinheitgruppe.verband, ''))
+													AND trim(COALESCE(sp.gruppe, ''))  = trim(COALESCE(tbl_lehreinheitgruppe.gruppe, ''))
+													AND trim(COALESCE(sp.gruppe_kurzbz, '')) = trim(COALESCE(tbl_lehreinheitgruppe.gruppe_kurzbz, ''))
+											)
+										)
+										END AS verplant
+									");
+
 		$this->addJoin('tbl_studiengang', 'studiengang_kz', 'LEFT');
 		$this->addJoin('public.tbl_gruppe', 'gruppe_kurzbz', 'LEFT');
 
diff --git a/public/css/Lvverwaltung.css b/public/css/Lvverwaltung.css
index 6e0f4c760..b8152d39a 100644
--- a/public/css/Lvverwaltung.css
+++ b/public/css/Lvverwaltung.css
@@ -38,3 +38,9 @@ textarea[name="anmerkung"] {
 {
 	border-color: black;
 }
+
+.node-verband {
+	user-select: none;
+	-webkit-user-select: none;
+	-moz-user-select: none;
+}
diff --git a/public/js/api/lehrveranstaltung/gruppe.js b/public/js/api/lehrveranstaltung/gruppe.js
index 44340bec7..23db4c069 100644
--- a/public/js/api/lehrveranstaltung/gruppe.js
+++ b/public/js/api/lehrveranstaltung/gruppe.js
@@ -18,6 +18,14 @@ export default {
 			params: newData
 		};
 	},
+	getGruppe(gruppe)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/lv/gruppe/getGruppe/',
+			params: gruppe
+		};
+	},
 	getByLehreinheit(lehreinheit_id)
 	{
 		return {
diff --git a/public/js/components/LVVerwaltung/Details/Gruppen.js b/public/js/components/LVVerwaltung/Details/Gruppen.js
index 024bf6468..5244136cc 100644
--- a/public/js/components/LVVerwaltung/Details/Gruppen.js
+++ b/public/js/components/LVVerwaltung/Details/Gruppen.js
@@ -2,6 +2,7 @@ import {CoreFilterCmpt} from "../../filter/Filter.js";
 import FormForm from '../../Form/Form.js';
 import FormInput from '../../Form/Input.js';
 import ApiGruppe from "../../../api/lehrveranstaltung/gruppe.js";
+import drop from '../../../directives/drop.js';
 export default{
 	name: "LVGruppen",
 	components: {
@@ -9,6 +10,9 @@ export default{
 		FormForm,
 		FormInput
 	},
+	directives: {
+		drop
+	},
 	props: {
 		lehreinheit_id: Number
 	},
@@ -187,28 +191,48 @@ export default{
 					this.reload();
 				})
 		},
+		onDropVerband(node, gruppe) {
+			this.$api.call(ApiGruppe.getGruppe(gruppe))
+				.then(result => result.data)
+				.then(result => {
+
+					let newData = {
+						'gid': result,
+						'lehreinheit_id': this.lehreinheit_id,
+						'lehrverband': gruppe.lehrverband,
+					}
+					this.$api.call(ApiGruppe.add(newData))
+						.then(result => {
+							this.reload()
+						})
+			});
+
+		},
+
 	},
 	template: `
-		<core-filter-cmpt
-			ref="table"
-			:tabulator-options="tabulatorOptions"
-			:tabulator-events="tabulatorEvents"
-			table-only
-			:side-menu="false"
-			:reload=true
-			>
-			<template #search> <!--TODO (david) Slot prüfen -->
-				<form-input
-					type="autocomplete"
-					:suggestions="filteredGroups"
-					:placeholder="$p.t('lehre', 'addGroup')"
-					v-model="selectedGroup"
-					field="label"
-					@item-select="addGroup"
-					@complete="searchGroup"
-				></form-input>
-			</template>
-			
-		</core-filter-cmpt>
+		<div v-drop:link-strict.verband="(evt, gruppe) => onDropVerband(node, gruppe)">
+			<core-filter-cmpt
+				ref="table"
+				:tabulator-options="tabulatorOptions"
+				:tabulator-events="tabulatorEvents"
+				table-only
+				:side-menu="false"
+				:reload=true
+				>
+				<template #search> <!--TODO (david) Slot prüfen -->
+					<form-input
+						type="autocomplete"
+						:suggestions="filteredGroups"
+						:placeholder="$p.t('lehre', 'addGroup')"
+						v-model="selectedGroup"
+						field="label"
+						@item-select="addGroup"
+						@complete="searchGroup"
+					></form-input>
+				</template>
+				
+			</core-filter-cmpt>
+		</div>
 		`
 };
\ No newline at end of file
diff --git a/public/js/components/LVVerwaltung/LVVerwaltung.js b/public/js/components/LVVerwaltung/LVVerwaltung.js
index 42c50bdfa..9a68c3781 100644
--- a/public/js/components/LVVerwaltung/LVVerwaltung.js
+++ b/public/js/components/LVVerwaltung/LVVerwaltung.js
@@ -285,7 +285,7 @@ export default {
 					<div class="offcanvas-header justify-content-end px-1 d-md-none">
 						<button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" :aria-label="$p.t('ui/schliessen')"></button>
 					</div>
-					<stv-verband :preselectedKey="selectedStudiengang" :endpoint="endpoint" @select-verband="onSelectVerband" class="col" style="height:0%"></stv-verband>
+					<stv-verband :preselectedKey="selectedStudiengang" :dragEnabled=true :endpoint="endpoint" @select-verband="onSelectVerband" class="col" style="height:0%"></stv-verband>
 					<stv-studiensemester v-model:studiensemester-kurzbz="selectedStudiensemester" @update:studiensemester-kurzbz="studiensemesterChanged"></stv-studiensemester>
 				</nav>
 				
diff --git a/public/js/components/Stv/Studentenverwaltung/Verband.js b/public/js/components/Stv/Studentenverwaltung/Verband.js
index 1ff9d2ed9..4490901e9 100644
--- a/public/js/components/Stv/Studentenverwaltung/Verband.js
+++ b/public/js/components/Stv/Studentenverwaltung/Verband.js
@@ -1,5 +1,6 @@
 import drop from '../../../directives/drop.js';
 import dragClick from '../../../directives/dragClick.js';
+import draggable from '../../../directives/draggable.js';
 
 import ApiStvGroups from '../../../api/factory/stv/group.js';
 import ApiStvDetails from '../../../api/factory/stv/details.js';
@@ -11,7 +12,8 @@ export default {
 	},
 	directives: {
 		drop,
-		dragClick
+		dragClick,
+		draggable
 	},
 	inject: {
 		$reloadList: {
@@ -40,6 +42,10 @@ export default {
 		preselectedKey: {
 			type: String,
 			default: null
+		},
+		dragEnabled: {
+			type: Boolean,
+			default: false
 		}
 	},
 	data() {
@@ -79,6 +85,22 @@ export default {
 		}
 	},
 	methods: {
+		dragVerband(node) {
+			const gruppe = node?.data || {};
+
+			const id = gruppe.gruppe_kurzbz ?? gruppe.link ?? node?.key ?? null;
+
+			return [{
+				type: 'verband',
+				id: id,
+				gruppe_kurzbz: gruppe.gruppe_kurzbz ?? null,
+				semester: gruppe.semester ?? null,
+				verband: gruppe.verband ?? null,
+				gruppe: gruppe.gruppe ?? null,
+				lehrverband: gruppe.gruppe_kurzbz == null,
+				stg_kz: gruppe.stg_kz ?? null,
+			}];
+		},
 		findNodeByKey(key, arr) {
 			if (!arr)
 				arr = this.nodes;
@@ -359,7 +381,9 @@ export default {
 						:data-tree-item-key="node.key"
 						:title="node.data.studiengang_kz"
 						v-drag-click="() => toggleTreeNode(node)"
+						class="node-verband"
 						v-drop:link-strict.student-collection="(evt, students) => dropStudents(node, students)"
+						v-draggable:link-strict="dragEnabled && dragVerband(node)"
 					>
 						{{ node.data.name }}
 					</span>
diff --git a/public/js/helpers/DragAndDrop.js b/public/js/helpers/DragAndDrop.js
index f98697eb2..3eeff0ee2 100644
--- a/public/js/helpers/DragAndDrop.js
+++ b/public/js/helpers/DragAndDrop.js
@@ -30,6 +30,10 @@ const TYPE_DEFINITION = {
 	prestudent: {
 		id: "prestudent_id",
 		dragIcon: "fa-solid fa-user-graduate text-muted"
+	},
+	verband: {
+		id: "gruppe_id",
+		dragIcon: "fa-solid fa-user-group text-muted"
 	}
 	// TODO: IMPLEMENT OTHER TYPES
 };