List questions from dihedral-groups

Published on 03 Nov 2023 - 22:22

84

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Finding a non-abelian group with $54$ elements non-isomorphic to $D_{27}$

Published on 04 Nov 2023 - 12:00

158

Views

A question regarding the dihedral group $D_4$.

Published on 05 Nov 2023 - 7:48

32

Views

Automorphisms of the Infinite Dihedral Group

Published on 25 Nov 2023 - 10:43

84

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Basic Group Theory Question

Published on 11 Dec 2023 - 3:57

50

Views

Supposed contradiction from Sylow theorems

Published on 20 Dec 2023 - 18:05

60

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Arithmetic on elements of $D_{2n}$

Published on 02 Jan 2024 - 1:34

66

Views

How does $ab= a^2ba$ for the Dihedral group $D_8 = \langle a, b \rangle$ and a $\mathbb{C}D_8$-Algebra?

Published on 27 Mar 2026 - 0:03

48

Views

Counting subgroups of dihedral groups

Published on 09 Feb 2024 - 10:37

75

Views

Proving the isomorphism type of the commutator subgroup of the dihedral group $D_n$

Published on 23 Feb 2026 - 4:02

36

Views

How can we distinguish elements of $D_n$ that include reflections versus those that don't?

Published on 26 Mar 2026 - 6:29

15

Views

How to prove the enhanced power graph of dihedral groups?

Published on 04 Mar 2026 - 17:50

78

Views

What are the groups containing dihedral group $D_4$ of order $8$?

Published on 21 Mar 2024 - 19:26

186

Views

Find all $x$ in $D_4$ such that $ax(a^{-1}) = b$.

Published on 05 Jan 2015 - 15:46

1.6k

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Find a composition series of $D_8$

Published on 27 Mar 2026 - 2:34

List Question

Compute normalizer of $\left<s,r^4\right>$ in $D_{16}$

Finding a non-abelian group with $54$ elements non-isomorphic to $D_{27}$

A question regarding the dihedral group $D_4$.

Automorphisms of the Infinite Dihedral Group

Basic Group Theory Question

Supposed contradiction from Sylow theorems

Arithmetic on elements of $D_{2n}$

How does $ab= a^2ba$ for the Dihedral group $D_8 = \langle a, b \rangle$ and a $\mathbb{C}D_8$-Algebra?

Counting subgroups of dihedral groups

Proving the isomorphism type of the commutator subgroup of the dihedral group $D_n$

How can we distinguish elements of $D_n$ that include reflections versus those that don't?

How to prove the enhanced power graph of dihedral groups?

What are the groups containing dihedral group $D_4$ of order $8$?

Find all $x$ in $D_4$ such that $ax(a^{-1}) = b$.

Find a composition series of $D_8$

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