You need to delegate the creation of RG2 and the management of permissions for RG1.

Graphical user interface, text, application, chat or text message Description automatically generated

Box 1: Admin3 only

The Contributor role has the necessary write permissions to create the resource group.

Box 2: Admin4 only

You need Owner level access to be able to manage permissions. The Contributor role can do most things but cannot modify permissions on existing objects.