https://learn.microsoft.com/en-us/dotnet/api/system.directoryservices.accountmanagement.groupprincipal?view=netframework-4.8.1&redirectedfrom=MSDN
GroupPrincipal Class (System.DirectoryServices.AccountManagement) | Microsoft Learn
Encapsulates group accounts. Group accounts can be arbitrary collections of principal objects or accounts created for administrative purposes.
class systemaccountmanagementmicrosoftlearn