Let ø: Z25 → S8 be a homomorphism such that o(1) = (12468). (a) Find ø(22). (b) Determine kerø. (c) Show that Z25/kerø = Z5.
Let ø: Z25 → S8 be a homomorphism such that o(1) = (12468). (a) Find ø(22). (b) Determine kerø. (c) Show that Z25/kerø = Z5.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.7: Direct Sums (optional)
Problem 14E: 14. Let be an abelian group of order where and are relatively prime. If and , prove that .
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