Recall that the Gaussian integers Z[i] is the following subring of C: Z[i] = {a+bi a,b ≤ Z}, where as always i denotes the imaginary unit. Use the fact that (1+i)(1−i) = 2 to show that the ideal of Z[i] generated by 2 is not a prime ideal.
Recall that the Gaussian integers Z[i] is the following subring of C: Z[i] = {a+bi a,b ≤ Z}, where as always i denotes the imaginary unit. Use the fact that (1+i)(1−i) = 2 to show that the ideal of Z[i] generated by 2 is not a prime ideal.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 29E: 29. Let be the set of Gaussian integers . Let .
a. Prove or disprove that is a substring of .
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