There are many ways you can get to the Group landing page.
1. Login > Groups > Click on the Group Name
2. Login > Groups > Click on "Manage" button > You land on Overview page > Click on "Preview"
3. Login > Groups > Click on "Manage" button > You land on Overview page > Click on the Group Name at the top. You will find this option available in all the pages of the dashboard while you are editing/managing the group.