Let n = pq where p and q are two distinct primes and consider Zn. Further, let [a] E Zn be an invertible element of order w. Recall that Carmichael's A-function, A(n), is defined to be the smallest positive integer m such that [æ]" = [1] for every invertible element [x] E Zn. Prove that w/A(n).
Let n = pq where p and q are two distinct primes and consider Zn. Further, let [a] E Zn be an invertible element of order w. Recall that Carmichael's A-function, A(n), is defined to be the smallest positive integer m such that [æ]" = [1] for every invertible element [x] E Zn. Prove that w/A(n).
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.6: Algebraic Extensions Of A Field
Problem 6E: In Exercises , a field , a polynomial over , and an element of the field obtained by adjoining a...
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