If you are the leader, press Y go to your gang page. You can then select the option to "Disband" after a confirmation screen your gang will be disbanded and deleted. The name will then become available for other people to register their gang with.
If you are the leader, press Y go to your gang page. You can then select the option to "Disband" after a confirmation screen your gang will be disbanded and deleted. The name will then become available for other people to register their gang with.