Question

$\operatorname{Hom}(C,R) \otimes G \simeq\operatorname{Hom}(C,G)$

score 63 · Answer 1 · 2026-03-30 06:29:53

63

Views

$\operatorname{Hom}(C,R) \otimes G \simeq\operatorname{Hom}(C,G)$

Published on 30 Mar 2026 - 6:29

score 50 · Answer 2 · 2021-04-19 18:06:34

50

Views

Why exactly $1/p+\mathbb{Z} \in \text{ker} (\alpha)$?

Published on 19 Apr 2021 - 18:06

score 26 · Answer 3 · 2021-04-20 11:53:17

26

Views

How does the homomorphism help in the normality of the commutator subgroup?

Published on 20 Apr 2021 - 11:53

score 116 · Answer 4 · 2021-04-22 16:08:06

116

Views

Question about the proof of the Fundamental Theorem of Homomorphisms

Published on 22 Apr 2021 - 16:08

score 211 · Answer 5 · 2026-03-25 22:09:50

211

Views

Computing endomorphism ring of finite groups via computer

Published on 25 Mar 2026 - 22:09

score 60 · Answer 6 · 2026-03-28 09:45:47

60

Views

Changing the order of the Cartesian Product defines an homomorphism?

Published on 28 Mar 2026 - 9:45

score 59 · Answer 7 · 2026-04-02 15:13:58

59

Views

Existence of onto Homomorphism

Published on 02 Apr 2026 - 15:13

score 278 · Answer 8 · 2026-04-01 02:58:47

278

Views

Homomorphisms $\phi\colon G\longrightarrow \operatorname{Aut}(H)$ and group actions.

Published on 01 Apr 2026 - 2:58

score 584 · Answer 9 · 2026-03-28 11:54:04

584

Views

Let $G$ and $H$ be nontrivial groups such that $G$ is simple and let $f : G \to H$ be a surjective homomorphism. Show that $f$ is an isomorphism.

Published on 28 Mar 2026 - 11:54

score 75 · Answer 10 · 2021-04-26 14:24:39

75

Views

Finding cosets from symmetric subgroup $S_3$ of symmetric group $S_4$ where $S_3 = \{\phi\in S_4\mid\phi(4) = 4\}$

Published on 26 Apr 2021 - 14:24

score 188 · Answer 11 · 2021-04-27 07:05:22

188

Views

If $f$ is a surjective normal endomorphism of group $G$, then $f=1_G+g$ where $g$ send $G$ to its center.

Published on 27 Apr 2021 - 7:05

score 105 · Answer 12 · 2021-04-28 13:54:32

105

Views

Help proving $\phi$ is a homomorphism when given $\to a - (c/2)i$

Published on 28 Apr 2021 - 13:54

score 94 · Answer 13 · 2021-04-29 03:06:18

94

Views

The multiplication map in exercise 11.7, Chapter 2, Artin's Algebra 2nd ed.

Published on 29 Apr 2021 - 3:06

score 38 · Answer 14 · 2026-03-26 21:08:12

38

Views

No onto map between the algebras.

Published on 26 Mar 2026 - 21:08

score 81 · Answer 15 · 2021-05-03 10:43:50

81

Views

Lifting of continuous group homomorphism

Published on 03 May 2021 - 10:43

List Question

$\operatorname{Hom}(C,R) \otimes G \simeq\operatorname{Hom}(C,G)$

Why exactly $1/p+\mathbb{Z} \in \text{ker} (\alpha)$?

How does the homomorphism help in the normality of the commutator subgroup?

Question about the proof of the Fundamental Theorem of Homomorphisms

Computing endomorphism ring of finite groups via computer

Changing the order of the Cartesian Product defines an homomorphism?

Existence of onto Homomorphism

Homomorphisms $\phi\colon G\longrightarrow \operatorname{Aut}(H)$ and group actions.

Let $G$ and $H$ be nontrivial groups such that $G$ is simple and let $f : G \to H$ be a surjective homomorphism. Show that $f$ is an isomorphism.

Finding cosets from symmetric subgroup $S_3$ of symmetric group $S_4$ where $S_3 = \{\phi\in S_4\mid\phi(4) = 4\}$

If $f$ is a surjective normal endomorphism of group $G$, then $f=1_G+g$ where $g$ send $G$ to its center.

Help proving $\phi$ is a homomorphism when given $\to a - (c/2)i$

The multiplication map in exercise 11.7, Chapter 2, Artin's Algebra 2nd ed.

No onto map between the algebras.

Lifting of continuous group homomorphism

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