1. let g= {a, a, a g'={a, a, a , a} be its subgroup then prove that mapping a"a is a homomorphism g onto g'. , a 12 = e be a cyclic group under multiplication.

1. Let G= {a, a, a G'={a, a, a , a} be its subgroup then prove that mapping a"a is a homomorphism G onto G'. , a 12 = e be a cyclic group under multiplication. Let 2 11 o nraze that