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26. You should have found that D8(D8 is {I,R,R^2,R^3,F,FR,FR^2,FR^3}) has 8 automorphisms. Do these automorphisms form...

26. You should have found that D8(D8 is {I,R,R^2,R^3,F,FR,FR^2,FR^3}) has 8 automorphisms. Do these automorphisms form a group with respect to some operation? (The answer is yes.Please prove it)

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