AgGroupOps.IsNormal( G, U )
Let G be a parent group. Then AgGroupOps.IsNormal
checks if the
conjugate of each generator of U under each induced generator of G
which has a depth not contained in U is an element of U. Otherwise
AgGroupOps.IsNormal
checks if the conjugate of each generator of U
under each generator of G is an element of U.
GAP 3.4.4