Hi guys, I need some help with the following exercise
Consider the Guassian intergers. Let J be an ideal of Z[i]. Prove that the quotient Z[i]/J is a field of 9 elements.
J=
I know the quotient is a field but I donīt know why is has 9 elements.
Hi guys, I need some help with the following exercise
Consider the Guassian intergers. Let J be an ideal of Z[i]. Prove that the quotient Z[i]/J is a field of 9 elements.
J=
I know the quotient is a field but I donīt know why is has 9 elements.