Consider the group U(12) = {1, 5, 7, 11} with multiplication modulo 12. (a.) Is U(12) isomorphic to ZĄ? Justify your answer. (b.) The function y: U(12) → U(3) kk mod 3 is a group homomorphism. (You do not need to check this.) What is ker(p)? (c.) Is H a normal subgroup of G? Justify your answer.
Consider the group U(12) = {1, 5, 7, 11} with multiplication modulo 12. (a.) Is U(12) isomorphic to ZĄ? Justify your answer. (b.) The function y: U(12) → U(3) kk mod 3 is a group homomorphism. (You do not need to check this.) What is ker(p)? (c.) Is H a normal subgroup of G? Justify your answer.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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please explain part c (only)
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