List questions from abstract-algebra

Published on 12 Apr 2026 - 0:32

216

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Prove that $\mathbb{Q}[\sqrt[4](7), i] = \mathbb{Q}[\sqrt[4](7)+ i]$

Published on 01 Apr 2026 - 3:07

70

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Intuitive understanding of $g^iH=(gH)^i$ factor groups

Published on 09 Apr 2026 - 0:06

196

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Torsion subgroup combined with normal subgroup!

Published on 24 Mar 2026 - 22:08

175

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Group and order.

Published on 21 Jan 2018 - 18:09

75

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Finding a homormorphism form $\mathbb{Z}/4\mathbb{Z}$ to $\mathbb{Z}/6\mathbb{Z}$

Published on 09 Apr 2026 - 0:05

361

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Polynomials on finite fields

Published on 01 Apr 2026 - 14:10

41

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A step in a proof of Neumann's coset coverings

Published on 11 Apr 2026 - 2:42

1k

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Counting the number of upper triangular matrices in $GL_n(\mathbb{F}_p)$

Published on 25 Mar 2026 - 3:02

53

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Show that the element $φ(a)\in G'$ has also order d!

Published on 09 Apr 2026 - 0:05

95

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What is the canonical projection of $\Bbb Z / p^{n+1} \Bbb Z \rightarrow \Bbb Z / p^n \Bbb Z$?

Published on 24 Mar 2026 - 22:01

675

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Exams exercise involving the permutation group $S_5$

Published on 09 Apr 2026 - 0:04

75

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Coordinate ring of $V \subset \mathbb{A}^n$ variety

Published on 03 Apr 2026 - 19:33

34

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Confused by semantics when showing "inequality"

Published on 11 Apr 2026 - 4:53

88

Views

how to show that the group $(G,+)$ is abelian

Published on 09 Apr 2026 - 0:31

List Question

Principal ideal of a unit

Prove that $\mathbb{Q}[\sqrt[4](7), i] = \mathbb{Q}[\sqrt[4](7)+ i]$

Intuitive understanding of $g^iH=(gH)^i$ factor groups

Torsion subgroup combined with normal subgroup!

Group and order.

Finding a homormorphism form $\mathbb{Z}/4\mathbb{Z}$ to $\mathbb{Z}/6\mathbb{Z}$

Polynomials on finite fields

A step in a proof of Neumann's coset coverings

Counting the number of upper triangular matrices in $GL_n(\mathbb{F}_p)$

Show that the element $φ(a)\in G'$ has also order d!

What is the canonical projection of $\Bbb Z / p^{n+1} \Bbb Z \rightarrow \Bbb Z / p^n \Bbb Z$?

Exams exercise involving the permutation group $S_5$

Coordinate ring of $V \subset \mathbb{A}^n$ variety

Confused by semantics when showing "inequality"

how to show that the group $(G,+)$ is abelian

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