List questions from dihedral-groups

Published on 15 Apr 2026 - 18:33

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Commutator of $D_{2n}$

Published on 14 Apr 2026 - 15:37

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$|G|=2p$, $p \geq 3$ prime then $G$ is abelian or $G \cong D_{2p}$

Published on 17 Apr 2026 - 15:19

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Finding homomorphisms

Published on 11 Apr 2026 - 5:26

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let $G$ be dihedral group so that $D_{2n}= \langle x,y \ | \ x^2=y^n=e, yx=xy^{n-1} \rangle$. Prove that $N\unlhd G$ and $G/N \cong W = \{1,-1\}$

Published on 16 Apr 2026 - 11:19

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Questions about the dihedral group $D_8$

Published on 13 Apr 2026 - 0:42

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Understanding the commutator subgroup of the dihedral group

Published on 09 Apr 2026 - 16:57

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Character Table Dihedral group of $D_6$

Published on 15 Apr 2026 - 15:53

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Find all the $p$-Sylow subgroups of $D_6$.

Published on 15 Apr 2026 - 18:50

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How would you write $D_4$ in cycle notations?

Published on 25 Mar 2026 - 19:08

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Subgroups of $S_5$ containing $C_5$

Published on 26 Mar 2026 - 11:06

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How do I find all the subgroups of the symmetry group of an equilateral triangle?

Published on 26 Mar 2026 - 11:01

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Is permutation in a subgroup of $S_6$?

Published on 26 Mar 2026 - 11:00

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Rotations and reflections in dihedral group $D_8?$

Published on 26 Mar 2026 - 11:03

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Orbits and stabilisers of $D_{8}$ on set of 2-subsets of $\{1,2,3,4\}$

Published on 26 Mar 2026 - 12:37

List Question

How many different necklaces can be make from 8 blue beads, 3 green beads, and 3 brown beads?

Commutator of $D_{2n}$

$|G|=2p$, $p \geq 3$ prime then $G$ is abelian or $G \cong D_{2p}$

Finding homomorphisms

let $G$ be dihedral group so that $D_{2n}= \langle x,y \ | \ x^2=y^n=e, yx=xy^{n-1} \rangle$. Prove that $N\unlhd G$ and $G/N \cong W = \{1,-1\}$

Questions about the dihedral group $D_8$

Understanding the commutator subgroup of the dihedral group

Character Table Dihedral group of $D_6$

Find all the $p$-Sylow subgroups of $D_6$.

How would you write $D_4$ in cycle notations?

Subgroups of $S_5$ containing $C_5$

How do I find all the subgroups of the symmetry group of an equilateral triangle?

Is permutation in a subgroup of $S_6$?

Rotations and reflections in dihedral group $D_8?$

Orbits and stabilisers of $D_{8}$ on set of 2-subsets of $\{1,2,3,4\}$

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