# Automorphism

Show that innG is the normal subgroup of autG for any group G

Note:

innG = inner automorphism group of G

aut G = automorphism group of G

https://brainmass.com/math/linear-transformation/automorphism-normal-subgroup-15182

#### Solution Preview

Proof:

The inner automorphism is defined as follows:

for any x in G, we define automorphism ...

#### Solution Summary

This is a proof regarding subgroups and automorphisms.

$2.19