Question

(ii) if g is a group, n a normal subgroup of g , m a characteristic subgroup of n , prove that m is a normal subgroup of g . or

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

Let g belongs to G

Because N is normal, conjugation by g is an automorphism of N.

Because M is characteristic in N

gMg-¹ = M

This M is normal