1/ Determine in each of the parts if the given mapping is a homomorphism. If so, identify its kernel and whether or not the mapping is 1-1 or onto. (a) G = Z under +, G' = Zn, 4(a) = [a] for a € Z. 1 (b) G group, : G→ G defined by 4 (a) = a¹ for a € G. (c) G abelian group, 4: G→ G defined by (a) = a¹ for a E G.
1/ Determine in each of the parts if the given mapping is a homomorphism. If so, identify its kernel and whether or not the mapping is 1-1 or onto. (a) G = Z under +, G' = Zn, 4(a) = [a] for a € Z. 1 (b) G group, : G→ G defined by 4 (a) = a¹ for a € G. (c) G abelian group, 4: G→ G defined by (a) = a¹ for a E 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 11E: Find all homomorphic images of the quaternion group.
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![1/ Determine in each of the parts if the given mapping is a homomorphism.
If so, identify its kernel and whether or not the mapping is 1-1 or onto.
(a) G = Z under +, G' = Zn, 4(a) = [a] for a € Z.
(b) G group, : G→ G defined by o(a) = a¹ for a E G.
1
(c) G abelian group, : G→ G defined by (a) = a¹ for a € G.
(d) G group of all nonzero real numbers under multiplication, G' =
{1, -1), p (r) = 1 if r is positive, (r) = -1 if r is negative.
(e) G an abelian group, n >1 a fixed integer, and o: G→ G defined by
(a) = a" for a E G.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe57a7d70-87de-4a1f-8104-5b2578062c6c%2F6bbad9f3-0d13-4cc8-af73-eb6322d21fc2%2Fn9953or_processed.png&w=3840&q=75)
Transcribed Image Text:1/ Determine in each of the parts if the given mapping is a homomorphism.
If so, identify its kernel and whether or not the mapping is 1-1 or onto.
(a) G = Z under +, G' = Zn, 4(a) = [a] for a € Z.
(b) G group, : G→ G defined by o(a) = a¹ for a E G.
1
(c) G abelian group, : G→ G defined by (a) = a¹ for a € G.
(d) G group of all nonzero real numbers under multiplication, G' =
{1, -1), p (r) = 1 if r is positive, (r) = -1 if r is negative.
(e) G an abelian group, n >1 a fixed integer, and o: G→ G defined by
(a) = a" for a E G.
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