Problem

a. Show that all automorphisms of a group G form a group under function composition.b. Sho...

a. Show that all automorphisms of a group G form a group under function composition.

b. Show that the inner automorphisms of a group G form a normal subgroup of the group of all automorphisms of G under function composition. [Warning: Be sure to show that the inner automorphisms do form a subgroup.]

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Solutions For Problems in Chapter S.14