Looking for logging into the Groups Google site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Groups Google site. After that you can login as usual with your login credentials.
https://www.groups.google.com/
https://accounts.google.com/Login?service=groups2
https://stackoverflow.com/questions/16601699/determine-whether-user-is-group-member
https://cloud.google.com/iam/docs/overview
https://developers.google.com/contacts/v3/
https://support.google.com/business/answer/7655731?hl=en
https://smana.org/wp-content/uploads/2017/04/Screen-captures-of-how-to-join-without-a-gmail-address.pdf
https://wp.stolaf.edu/it/google-groups/
https://teem.com/support/integrations/google-sso-user-management-integration
https://docs.looker.com/admin-options/security/google-auth
http://merlot.usc.edu/cs402-f18/googlegroup.html
http://www.sjsu.edu/bcme/students/google-groups/
https://www.lehigh.edu/google/