To delete a group perform the steps listed in this topic.
When you delete a group, you have to remove users from the group and delete any policies from the group. You can do this with one command, using the euare-groupdel command with the -r option. Or you can follow the following steps to specify who and what you want to delete.
euare-groupremoveuser -g <group_name> -u <user_name>
euare-groupdelpolicy -g <group_name> -p <policy_name>
euare-groupdel -g <group_name>