You may restrict group invites to members who are connected to you.
Mobile
1. Tap the hamburger menu.
2. Tap the carrot to expand the Profile menu.
3. Tap My Account.
4. Select Group Invites from the dropdown menu.
5. Select the checkbox next to Restrict Group Invites to members who are connected.
6. Tap Save.
Desktop
1. Hover over the Profile icon in the header menu (fourth position).
2. Click My Account.
3. Click Group Invites from the left menu.
4. Select the checkbox next to Restrict Group Invites to members who are connected.
5. Tap Save.
Tags: group invites, stop group invites, control who can invite me to a group, stop receiving group invites