Show that the center of GL(2,R) is the set of all scalar matrices aI with a different from zero.
October 6th, 2022
Problem 1: Show that the center of GL(2,R) is the set of all scalar matrices aI with a different from zero.
Problem 2: Prove that no pair of the following groups of order 8,
I8; I4 x I2; I2 x I2; D8; Q, are isomorphic.