List questions from dihedral-groups

Published on 14 Apr 2026 - 6:07

60

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The dihedral group $D_8$ isn't Hamiltonian

Published on 13 Apr 2026 - 9:31

334

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Isomorphism between the dihedral group D2 and the integer group {-1,1}X{-1,1}

Published on 16 Apr 2026 - 5:49

218

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Dihedral group element properties from Dummit and Foote

Published on 14 Apr 2026 - 6:11

332

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How to prove the following facts about Dihedral Groups

Published on 09 Apr 2026 - 1:38

183

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Counting the elements of a dihedral group $D_n$ of a $n$-sided regular polygon

Published on 16 Apr 2026 - 13:29

281

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Is dihedral group defined as following commutative?

Published on 12 Apr 2026 - 13:23

140

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Normal subgroup generated by $D_8$

Published on 16 Apr 2026 - 1:55

644

Views

No common eigenvectors then representation irreducible

Published on 14 Apr 2026 - 7:26

181

Views

Prove order of a group is even

Published on 15 Apr 2026 - 9:26

97

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How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?

Published on 12 Apr 2026 - 4:27

343

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Is $G$ isomorphic to the dihedral group $D_{10}$?

Published on 14 Apr 2026 - 9:00

3.7k

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Determine number of conjugacy class in $D_8$

Published on 15 Apr 2026 - 5:36

79

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$G_{x_1x_2+x_3x_4}\cong D_8$

Published on 16 Apr 2026 - 13:25

39

Views

Find $ C_{D_{12}}(a)$=centraliser of $a$ and $ C_{D_{12}}(b)$=centraliser of $b$

Published on 14 Apr 2026 - 23:10

List Question

Showing that $H\leq S_n$ containing rotations must be isomorphic to $D_n$

The dihedral group $D_8$ isn't Hamiltonian

Isomorphism between the dihedral group D2 and the integer group {-1,1}X{-1,1}

Dihedral group element properties from Dummit and Foote

How to prove the following facts about Dihedral Groups

Counting the elements of a dihedral group $D_n$ of a $n$-sided regular polygon

Is dihedral group defined as following commutative?

Normal subgroup generated by $D_8$

No common eigenvectors then representation irreducible

Prove order of a group is even

How to show $D_3\oplus D_4$ is not isomorphic to $D_{24}$?

Is $G$ isomorphic to the dihedral group $D_{10}$?

Determine number of conjugacy class in $D_8$

$G_{x_1x_2+x_3x_4}\cong D_8$

Find $ C_{D_{12}}(a)$=centraliser of $a$ and $ C_{D_{12}}(b)$=centraliser of $b$

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