List questions from automorphism-group

Published on 16 Sep 2017 - 14:26

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Group isomorphic to its automorphism group

Published on 17 Sep 2017 - 13:31

112

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Why is $\text{Aut}(G_1 \oplus G_2)$ a subgroup of $\text{Aut}(G)$?

Published on 18 Sep 2017 - 14:18

182

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Could someone provide an example of an automorphism?

Published on 18 Sep 2017 - 14:44

83

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Example of subgroup of the automorphism group

Published on 26 Sep 2017 - 8:52

277

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How could one write $Aut(C_{30})$ as a product of cyclic groups?

Published on 26 Sep 2017 - 16:47

270

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Automorphisms of $GL_n(K)$, and $SL_n(K)$

Published on 01 Oct 2017 - 11:48

338

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A graph whose automorphism group is the alternating group

Published on 07 Oct 2017 - 18:31

110

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Proof that $\text{Aut}(G) \cong \text{GL}_{n}(p)$

Published on 08 Oct 2017 - 15:59

44

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$D\subset\hat{C}$ is a domain of riemann sphere $\hat{C}$. Then $Aut(D)\subset Aut(\hat{C})$?

Published on 09 Oct 2017 - 23:22

94

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$X\to X/G$ is a finite morphism

Published on 23 Feb 2026 - 16:23

279

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Point stabilizers and automorphisms

Published on 15 Oct 2017 - 22:04

73

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Why is it trivial to see that $\binom{n}{2} = \frac{n!}{(n-2m)!m!2^m}$ has no solutions for $m > 3$?

Published on 23 Oct 2017 - 10:20

197

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An automorphism conjugate to its inverse

Published on 24 Oct 2017 - 20:26

278

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Determining an inner automorphism via queries

Published on 25 Oct 2017 - 6:17

List Question

Why Automorphisms in Galois theory (why not Homomorphisms to itself)?

Group isomorphic to its automorphism group

Why is $\text{Aut}(G_1 \oplus G_2)$ a subgroup of $\text{Aut}(G)$?

Could someone provide an example of an automorphism?

Example of subgroup of the automorphism group

How could one write $Aut(C_{30})$ as a product of cyclic groups?

Automorphisms of $GL_n(K)$, and $SL_n(K)$

A graph whose automorphism group is the alternating group

Proof that $\text{Aut}(G) \cong \text{GL}_{n}(p)$

$D\subset\hat{C}$ is a domain of riemann sphere $\hat{C}$. Then $Aut(D)\subset Aut(\hat{C})$?

$X\to X/G$ is a finite morphism

Point stabilizers and automorphisms

Why is it trivial to see that $\binom{n}{2} = \frac{n!}{(n-2m)!m!2^m}$ has no solutions for $m > 3$?

An automorphism conjugate to its inverse

Determining an inner automorphism via queries

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