List questions from finite-groups

Published on 09 Apr 2026 - 17:52

464

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What are the finite subgroups of isometries of a flat triangular torus?

Published on 10 May 2026 - 15:56

173

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Powers of $2$ in multiplicative groups of odd composite modulus

Published on 11 Apr 2026 - 10:04

216

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Proof verification: Every group of order n! contains non trivial normal subgroup (without Sylow)

Published on 10 May 2026 - 12:17

15.4k

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Proof that every group of order 4 is abelian

Published on 10 May 2026 - 15:47

154

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Constructing groups by combining irreducible representations

Published on 15 Apr 2026 - 7:47

189

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Show the klein group and <i> is not isomorphic

Published on 14 Apr 2026 - 9:57

562

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Is there a non-trivial homomorphism from $D_4$ to $D_3$?

Published on 29 Apr 2026 - 12:52

336

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Centralizer sizes in groups and subgroups

Published on 13 Apr 2026 - 6:35

123

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A Question Raised about Strong Cayley Theorem

Published on 10 May 2026 - 16:10

303

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Alternate way to prove that $p_i$- sylow subgroup is unique in nilpotent group

Published on 10 May 2026 - 13:50

297

Views

Isomorphy of simple groups of order 360 : a proof with a presentation

Published on 02 May 2026 - 18:31

194

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Suppose $H,K$ are subgroups of $G$, what does it mean to write $H \leq K \leq G$?

Published on 14 Apr 2026 - 16:19

64

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Few doubts about direct products of special groups

Published on 10 Apr 2026 - 9:15

94

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Centralizers of non-central elements of a special group

Published on 29 Apr 2026 - 12:45

List Question

Submodule structure when changing field

What are the finite subgroups of isometries of a flat triangular torus?

Powers of $2$ in multiplicative groups of odd composite modulus

Proof verification: Every group of order n! contains non trivial normal subgroup (without Sylow)

Proof that every group of order 4 is abelian

Constructing groups by combining irreducible representations

Show the klein group and <i> is not isomorphic

Is there a non-trivial homomorphism from $D_4$ to $D_3$?

Centralizer sizes in groups and subgroups

A Question Raised about Strong Cayley Theorem

Alternate way to prove that $p_i$- sylow subgroup is unique in nilpotent group

Isomorphy of simple groups of order 360 : a proof with a presentation

Suppose $H,K$ are subgroups of $G$, what does it mean to write $H \leq K \leq G$?

Few doubts about direct products of special groups

Centralizers of non-central elements of a special group

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