In case of internal problems or questions, you can always contact the respective group leader and the group moderators. You can find them under "Questions about the group" on the left navigation list. Simply write to them with your request.
As a group leader, you will find everything you need to know about managing your group in your group handbook.
If you have any other problems or questions, you can also contact our support team via this form. Select the category "Around the groups" and describe your problem.