Practice Problem 30 Let (G, .) be a group. Suppose that a, be G are given such that ab=ba. (Note that G need not be abel
Posted: Mon Jul 11, 2022 12:17 pm
Practice Problem 30 Let (G, .) be a group. Suppose that a, be G are given such that ab=ba. (Note that G need not be abelian). Prove that: {xe Gla⋅x · b = b⋅x.a} is a subgroup of G. Find the order of this subgroup when G=S3. a= (1 2 3), b= (132)