Answer to Question #18567 in Algebra for Irvin

Question #18567

Let G be the dihedral group of order 2n generated by two elements r, s with relations rn = 1, s2 = 1 and srs^−1 = r^−1. For n = 2m + 1, show that D1, . . . , Dm give all irreducible representations of G (over R or over C) with dimensions > 1.

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