Question: is that correct? A. G = SA and H = A4 , Is H anormal subgroup of G. SA is the symmetric group on 4

is that correct?

A. G = SA and H = A4 , Is H anormal subgroup of G. SA is the symmetric group on 4 elements n = 4 = 4! = 4 * 3 * 2 * 1 = 24 , so the order is 24

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