Need to Add Active Directory Groups to Local Administrator Group on Server but I need a IF statement

I need to Add Active Directory Groups to Local Administrator Group on Server but I need a IF statement

Like If the Computer is in that Group then add this Group to Local Administrator Group

I need help I am still trying to create one if someone help me I’ll really appreciate that.

$g=Get-ADGroupMember -Identity "CN=myADgroup,OU=myOU,DC=corp,DC=com" -server corp.com foreach($mbr in $g) {if($name.MemberOf -like "*mycomp*" -eq $true)} |