(a) Consider the subgroups (6) and (30) of Z and show that (6)/(30) Z 5 ....
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(a) Consider the subgroups (6) and (30) of Z and show that (6)/(30) ≅ Z5.
(b) For any k, m > 0, (k)/(km) ≅ Zm; in particular, .Z/(m) = (1)/(m) ≅ Zm.
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ANSWER a We first note that both 6 and 30 are subgroups of the additive group Z of integers Moreover 6Z 6k k Z is the subgroup of Z generated by 6 and ...View the full answer
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Related Book For
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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