Unformatted text preview: Exercise 7. For each of the following pairs σ,τ of permutations, ﬁnd a permutation γ so that γσγ1 = τ . a. σ = (15)(23), τ = (13)(45) b. σ = (123)(46)(78), τ = (135)(27)(48) c. σ = (123)(456), τ = (135)(246) Exercise 8. Compute Z ( Q ). [See homework 4.1 for the deﬁnition of Q .]...
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 Spring '10
 RyanDaileda
 Algebra, Equivalence relation, Symmetric group, b. σ, c. σ

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