Find the order of the factor group U(16)/(9)where U(16)={1,3,5,7,9,11,13,15} with operation multiplication mod 16 and (9)is the cyclic subgroup generated by 9.
Find the order of the factor group U(16)/(9)where U(16)={1,3,5,7,9,11,13,15} with operation multiplication mod 16 and (9)is the cyclic subgroup generated by 9.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Step 1
Since , we have to find order of the factor group
U(16)/<9>
Concept:
Order of factor group U(n)/<k>
= [Order of U(n)]/[order of <k>]
=|U(n)/|<k>|
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