Problem 6. Suppose that X = (X,*) is a group containing at least two elements. Prove the following result. ● If the group X = (X,*) is cyclic, then exactly one of the following statements is true. 1. The group X is isomorphic to the group Z. 2. The group X is isomorphic to the group Zn for some fixed integer n > 1. You did most of the work for this proof in Investigation 8. Problem 6 tells us that, up to isomorphism, there are only two types of cyclic groups those that behave like the integers under addition, and those that behave like the integers under addition modulo n.
Problem 6. Suppose that X = (X,*) is a group containing at least two elements. Prove the following result. ● If the group X = (X,*) is cyclic, then exactly one of the following statements is true. 1. The group X is isomorphic to the group Z. 2. The group X is isomorphic to the group Zn for some fixed integer n > 1. You did most of the work for this proof in Investigation 8. Problem 6 tells us that, up to isomorphism, there are only two types of cyclic groups those that behave like the integers under addition, and those that behave like the integers under addition modulo n.
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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