(1) Let G be a group of order 94 = 2 x 47. Let Z(G), as usual, denote the center of G. (a) For each of the following, either just say "YES", or prove that the answer is always "No". (i) Can |Z(G)I = 10? (ii) Can |Z(G)|= 47? (iii) Can |Z(G)| = 2? (b) Must G have a subgroup of order 2? Why or why not? (c) If G is abelian, can G have more than 1 element of order 2? Why or why not? (d) Must G have a subgroup of order 47? Why or why not? For full credit, justify your answers carefully and completely, and use Lagrange's theorem if and when necessary,
(1) Let G be a group of order 94 = 2 x 47. Let Z(G), as usual, denote the center of G. (a) For each of the following, either just say "YES", or prove that the answer is always "No". (i) Can |Z(G)I = 10? (ii) Can |Z(G)|= 47? (iii) Can |Z(G)| = 2? (b) Must G have a subgroup of order 2? Why or why not? (c) If G is abelian, can G have more than 1 element of order 2? Why or why not? (d) Must G have a subgroup of order 47? Why or why not? For full credit, justify your answers carefully and completely, and use Lagrange's theorem if and when necessary,
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter3: Groups
Section3.2: Properties Of Group Elements
Problem 23E: 23. Let be a group that has even order. Prove that there exists at least one element such that and...
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