By default, up to 45 SharePoint Groups can display beneath a site in the SharePoint Hierarchy
ControlPoint Application Administrators can, however, modify this number by changing the Maximum Number of SharePoint Groups to Display in SharePoint Hierarchy Value.
If the number of SharePoint groups with permissions to a site is greater than the specified parameter value, the list will be truncated. For example, if you set the Maximum Number of SharePoint Groups to Display in SharePoint Hierarchy Value to 10, and 12 groups have permissions to a site, the first 10 groups (in alphabetical order) will display in the Groups folder. (Remember, however, that the total number of groups with permissions for the site displays in parentheses to the right of the Group folder.)