Summary: Use the CIM cmdlets in Windows PowerShell to find associated WMI classes.
How can I find the associated classes for a WMI object?
Use the Windows PowerShell 3.0 CIM cmdlets.
First get the WMI object for which you want find the associated classes:
$group = Get-CimInstance -ClassName Win32_Group -Filter "Name = 'Administrators'"
Then find the associated classes:
Get-CimAssociatedInstance -InputObject $group | select CimClass –Unique
Then choose and use the class you need:
Get-CimAssociatedInstance -InputObject $group -ResultClassName Win32_UserAccount