Let be an isomorphism from a group G onto a group . Prove
Chapter 9, Problem 40E(choose chapter or problem)
Let ? be an isomorphism from a group G onto a group . Prove that if H is a normal subgroup of G, then ?(H) is a normal subgroup of G.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer