param($computerFQDN)

function GetGroupNames($computerFQDN)
{
$containmentRel = Get-RelationshipClass -name:'Microsoft.SystemCenter.InstanceGroupContainsEntities'

$computerClass = Get-MonitoringClass -name:"Microsoft.Windows.Computer"

$criteria = [string]::Format("PrincipalName = '{0}'",$computerFQDN)

$computer = Get-MonitoringObject -monitoringClass:$computerClass -criteria:$criteria

$relatedObjects = $computer.GetMonitoringRelationshipObjectsWhereTarget($containmentRel,[Microsoft.EnterpriseManagement.Configuration.DerivedClassTraversalDepth]::Recursive,[Microsoft.EnterpriseManagement.Common.TraversalDepth]::Recursive)

foreach($group in $relatedObjects)
{
	$group.SourceMonitoringObject.DisplayName
}

}

GetGroupNames $computerFQDN