Please do not just copy paste from AI, I need original work. Fundamental homomorphism theorem (FHT) If : G + H is a homomorphism, then Im(4)G/Ker(). The FHT says that every homomorphism can be decomposed into two steps: (i) quotient out by the kernel, and then (ii) relabel the nodes via . Let G be a group, H a normal subgroup of G, and K a subgroup of G. Show that the map :G/H→G/K induced by the natural projection maps is a homomorphism, and further prove that it is injective if and only if H = K. Hint: Apply the Fundamental Homomorphism Theorem for the maps G→G/H and G→G/K, and analyze the injectivity condition. Visualizing the FHT via Cayley graphs G (Ker()G) any homomorphism quotient process G/Ker group of cosets "K Im(6) H Q8 iN remaining isomorphism ("relabeling") "quotient map" N $ = LOT QB/N N iN kN VA "relabeling map"
Please do not just copy paste from AI, I need original work. Fundamental homomorphism theorem (FHT) If : G + H is a homomorphism, then Im(4)G/Ker(). The FHT says that every homomorphism can be decomposed into two steps: (i) quotient out by the kernel, and then (ii) relabel the nodes via . Let G be a group, H a normal subgroup of G, and K a subgroup of G. Show that the map :G/H→G/K induced by the natural projection maps is a homomorphism, and further prove that it is injective if and only if H = K. Hint: Apply the Fundamental Homomorphism Theorem for the maps G→G/H and G→G/K, and analyze the injectivity condition. Visualizing the FHT via Cayley graphs G (Ker()G) any homomorphism quotient process G/Ker group of cosets "K Im(6) H Q8 iN remaining isomorphism ("relabeling") "quotient map" N $ = LOT QB/N N iN kN VA "relabeling map"
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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
Transcribed Image Text:Please do not just copy paste from AI, I need original work.
Fundamental homomorphism theorem (FHT)
If : G + H is a homomorphism, then Im(4)G/Ker().
The FHT says that every homomorphism can be decomposed into two steps: (i) quotient
out by the kernel, and then (ii) relabel the nodes via .
Let G be a group, H a normal subgroup of G, and K a subgroup of G. Show that the map
:G/H→G/K induced by the natural projection maps is a homomorphism, and further
prove that it is injective if and only if H = K. Hint: Apply the Fundamental Homomorphism
Theorem for the maps G→G/H and G→G/K, and analyze the injectivity condition.
Visualizing the FHT via Cayley graphs
G
(Ker()G)
any homomorphism
quotient
process
G/Ker
group of
cosets
"K
Im(6) H
Q8
iN
remaining isomorphism
("relabeling")
"quotient map"
N
$ = LOT
QB/N
N
iN
kN
VA
"relabeling map"
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