<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def group_dashboard(request, group_slug):
 """Dashboard for managing a TenantGroup."""

    groups = get_user_groups(request.user)
    group = get_object_or_404(groups, slug=group_slug)
    tenants = get_user_tenants(request.user, group)
    can_edit_group = request.user.has_perm('multitenancy.change_tenantgroup', group)
    count = len(tenants)
    if count == 1:
        # Redirect to the detail page for this tenant
        return redirect(tenants[0])
    context = {
        'group': group,
        'tenants': tenants,
        'count': count,
        'can_edit_group': can_edit_group,
    }
    return render(request, 'multitenancy/group-detail.html', context)