GPO's

Get list of GPO's in the current domain

Get-NetGPO
Get-NetGPO -Computername <computername>

Get GPO's which uses restricteds groups or groups.xml for interesting users

Get-NetGPOGroup

Get users which are in a local group of a machine using GPO

Find-GPOComputerAdmin -Computername <computername>

Get machines where the given user is member of a specific group

Find-GPOLocation -Username student244 -Verbose

Get GPO applied on an OU

gplink from Get-NetOU -Fulldata

Get-NetGPO -GPOname "{<gplink>}"