function getDefaultUsergroup()
    {
        $usergroups = Groups::get($this->getJname(), true);

        $groups = array();
        if ($usergroups !== null) {
	        $list = $this->getUsergroupList();
	        foreach ($list as $group) {
		        if(in_array($group->id, $usergroups)){
			        $groups[] = $group->name;
		        }
	        }
        }
        return $groups;
    }