8. Let n be a positive integer. The n-th cyclotomic polynomial Ф,a(z) E Z[2] is defined recursively in the following way: 1. Ф1(x)-x-1. 2. If n > 1, then Фп(x)- , (where in the product in the...

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( 20 つ(-1 グ9-1 ズマ-| 8C3 Basis of F-cu) ,台パ Y a ut ơehal (Fla) . The auto moyphisms in Gal (fie) ave 0 4 61, 6a, 63,64 ave H ele ments in

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