: G → Exercise 14.5. Let G be a group and R be a ring. Show that every group homomorphism R* can be uniquely extended to a ring homomorphism & : Z[G] → R satisfying that (g) = (g) for every g € G.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter4: More On Groups
Section4.6: Quotient Groups
Problem 9E: 9. Find all homomorphic images of the octic group.
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: G →
Exercise 14.5. Let G be a group and R be a ring. Show that every group homomorphism
R* can be uniquely extended to a ring homomorphism & : Z[G] → R satisfying that (g) = (g)
for every g € G.
Transcribed Image Text:: G → Exercise 14.5. Let G be a group and R be a ring. Show that every group homomorphism R* can be uniquely extended to a ring homomorphism & : Z[G] → R satisfying that (g) = (g) for every g € G.
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