Find Aut( 15). Use the Fundamental Theorem of Abelian Groups to express this group as an external direct product of cyclic groups of prime power order.

The solution is attached in the picture below

Step-by-step explanation:

Step-by-step explanation:

From the given data

G={1,23,25,47,49,71,73,95}

First x compute order of G

|1|=1,|23|=4, |25|=4, |47|=2, |49|=2,

|71|=4, ..............see attached file

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step-by-step explanation: