diff --git a/lib/Controller/AdminGroupController.php b/lib/Controller/AdminGroupController.php
index 065bdfc..39e3921 100644
--- a/lib/Controller/AdminGroupController.php
+++ b/lib/Controller/AdminGroupController.php
@@ -26,6 +26,7 @@
 use OCP\IRequest;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\Mail\IMailer;
 use OCP\Security\Events\GenerateSecurePasswordEvent;
 use OCP\Security\ISecureRandom;
 use Psr\Log\LoggerInterface;
@@ -37,6 +38,7 @@ public function __construct(
 		protected LoggerInterface $logger,
 		protected IGroupManager $groupManager,
 		protected IUserManager $userManager,
+		protected IMailer $mailer,
 		protected ISubAdmin $subAdmin,
 		protected IAppManager $appManager,
 		protected IAppConfig $appConfig,
@@ -54,6 +56,7 @@ public function __construct(
 	 *
 	 * @param string $groupid ID of the group
 	 * @param string $displayname Display name of the group
+	 * @param string $email Email of admin
 	 * @param string $quota Group quota in "human readable" format. Default value is 1Gb.
 	 * @param list<string> $apps List of app ids to enable
 	 * @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
@@ -67,13 +70,14 @@ public function __construct(
 	public function createAdminGroup(
 		string $groupid,
 		string $displayname = '',
+		string $email = '',
 		string $quota = '1Gb',
 		array $apps = [],
 	): DataResponse {
 		$group = $this->addGroup($groupid, $displayname);
 		$this->setGroupQuota($groupid, $quota);
 		$this->enableApps($apps, $groupid);
-		$user = $this->createUser($groupid, $displayname);
+		$user = $this->createUser($groupid, $displayname, $email);
 		$group->addUser($user);
 		$this->addSubAdmin($user, $group);
 		return new DataResponse();
@@ -125,7 +129,7 @@ private function addSubAdmin(IUser $user, IGroup $group): void {
 		$this->subAdmin->createSubAdmin($user, $group);
 	}
 
-	private function createUser($userId, $displayName): IUser {
+	private function createUser($userId, $displayName, $email): IUser {
 		$passwordEvent = new GenerateSecurePasswordEvent();
 		$this->eventDispatcher->dispatchTyped($passwordEvent);
 		$password = $passwordEvent->getPassword() ?? $this->secureRandom->generate(20);
@@ -140,6 +144,12 @@ private function createUser($userId, $displayName): IUser {
 				throw $e;
 			}
 		}
+		if ($email !== '') {
+			if (!$this->mailer->validateMailAddress($email)) {
+				throw new OCSException('Invalid email');
+			}
+			$user->setSystemEMailAddress($email);
+		}
 		return $user;
 	}
 
@@ -169,6 +179,9 @@ private function setGroupQuota(string $groupId, string $quota): void {
 	}
 
 	private function enableApps(array $appIds, string $groupId): void {
+		if (!$appIds) {
+			return;
+		}
 		$this->jobList->add(EnableAppsForGroup::class, [
 			'groupId' => $groupId,
 			'appIds' => $appIds,
diff --git a/openapi.json b/openapi.json
index 90fdf49..7dbb12b 100644
--- a/openapi.json
+++ b/openapi.json
@@ -82,6 +82,11 @@
                                         "default": "",
                                         "description": "Display name of the group"
                                     },
+                                    "email": {
+                                        "type": "string",
+                                        "default": "",
+                                        "description": "Email of admin"
+                                    },
                                     "quota": {
                                         "type": "string",
                                         "default": "1Gb",
diff --git a/src/types/openapi/openapi.ts b/src/types/openapi/openapi.ts
index 5d4f39a..45f99f0 100644
--- a/src/types/openapi/openapi.ts
+++ b/src/types/openapi/openapi.ts
@@ -88,6 +88,11 @@ export interface operations {
                      * @default
                      */
                     displayname?: string;
+                    /**
+                     * @description Email of admin
+                     * @default
+                     */
+                    email?: string;
                     /**
                      * @description Group quota in "human readable" format. Default value is 1Gb.
                      * @default 1Gb