What is the order of the group U(12)? What does U(12) look like excatly? Thanks.
Follow Math Help Forum on Facebook and Google+
Originally Posted by tttcomrader What is the order of the group U(12)? What does it means U(12)? Does it mean the primitive roots of unity of 12?
I really dont know, let me ask the professor tomorrow.
I just talked to my professor and he told me that U(12) is a group under multiplication modulo 12, so all k less than 12 such that k is relative prime to 12. Thus U(12) = {1,7,9,11}, so <U(12)> = 4. Thanks.
View Tag Cloud