Question

Let $G$ be a group of order $2016 = 2^5 \cdot 3^2 \cdot 7$ in which all elements of order $7$ are conjugate.

score 185 · Answer 1 · 2026-03-29 18:33:34

185

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Let $G$ be a group of order $2016 = 2^5 \cdot 3^2 \cdot 7$ in which all elements of order $7$ are conjugate.

Published on 29 Mar 2026 - 18:33

score 62 · Answer 2 · 2026-03-27 19:32:20

62

Views

Second countability is invariant under orbit space of an action

Published on 27 Mar 2026 - 19:32

score 135 · Answer 3 · 2020-07-06 10:06:53

135

Views

There is a bijection from the set of double cosets $F g F$ to the set of orbits of $X$ under $F$

Published on 06 Jul 2020 - 10:06

score 219 · Answer 4 · 2026-03-27 19:29:58

219

Views

Does a left group action induce an open continuous map?

Published on 27 Mar 2026 - 19:29

score 121 · Answer 5 · 2020-07-06 19:55:44

121

Views

GLn group action rank

Published on 06 Jul 2020 - 19:55

score 152 · Answer 6 · 2026-03-26 04:14:39

152

Views

Group action of the Baumslag-Solitar groups

Published on 26 Mar 2026 - 4:14

score 200 · Answer 7 · 2026-03-27 00:25:29

200

Views

Equivariant rank theorem.

Published on 27 Mar 2026 - 0:25

score 1k · Answer 8 · 2020-07-09 22:45:38

1k

Views

Let $G$ be a group with $33$ elements acting on a set with $38$ elements. Prove that the stabilizer of some element $x$ in $X$ is all of $G$.

Published on 09 Jul 2020 - 22:45

score 105 · Answer 9 · 2026-03-29 18:33:11

105

Views

Centralizer and Normalizer of permutation in $S_{12}$

Published on 29 Mar 2026 - 18:33

score 109 · Answer 10 · 2020-07-14 00:47:28

109

Views

Proving finite-stabilizers of a tensor group action

Published on 14 Jul 2020 - 0:47

score 209 · Answer 11 · 2026-03-28 09:57:14

209

Views

Compute the fundamental group of $\mathbb{C}^*/\Gamma$, where $\Gamma=\{\varphi^n:\varphi(z)=4^nz,n\in\mathbb{Z}\}$

Published on 28 Mar 2026 - 9:57

score 215 · Answer 12 · 2020-07-14 18:41:32

215

Views

Dihedral group actions on Spheres

Published on 14 Jul 2020 - 18:41

score 114 · Answer 13 · 2026-03-25 21:22:53

114

Views

Geometric meaning of generating graded algebras in degree 1.

Published on 25 Mar 2026 - 21:22

score 295 · Answer 14 · 2020-07-15 09:42:59

295

Views

Stabilizer of an element in a Group Action

Published on 15 Jul 2020 - 9:42

score 169 · Answer 15 · 2026-03-27 23:48:13

169

Views

Fundamental group of the quotient space of the $\Bbb Z$-action on $X=\Bbb C-\{0\}$ given by $n\cdot z=\lambda^nz$

Published on 27 Mar 2026 - 23:48

List Question

Let $G$ be a group of order $2016 = 2^5 \cdot 3^2 \cdot 7$ in which all elements of order $7$ are conjugate.

Second countability is invariant under orbit space of an action

There is a bijection from the set of double cosets $F g F$ to the set of orbits of $X$ under $F$

Does a left group action induce an open continuous map?

GLn group action rank

Group action of the Baumslag-Solitar groups

Equivariant rank theorem.

Let $G$ be a group with $33$ elements acting on a set with $38$ elements. Prove that the stabilizer of some element $x$ in $X$ is all of $G$.

Centralizer and Normalizer of permutation in $S_{12}$

Proving finite-stabilizers of a tensor group action

Compute the fundamental group of $\mathbb{C}^*/\Gamma$, where $\Gamma=\{\varphi^n:\varphi(z)=4^nz,n\in\mathbb{Z}\}$

Dihedral group actions on Spheres

Geometric meaning of generating graded algebras in degree 1.

Stabilizer of an element in a Group Action

Fundamental group of the quotient space of the $\Bbb Z$-action on $X=\Bbb C-\{0\}$ given by $n\cdot z=\lambda^nz$

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