List questions from dihedral-groups | MathQa

Conjugacy classes for rotations of $D_{2n}$

Published on 29 Dec 2024 - 11:26

Find all homomorphisms from $D_{2n}$ to $\mathbb C^\times$ (revisit)

Published on 27 Dec 2024 - 12:15

Group isomorphism between $D_3$ and $S_3$

Published on 12 Jan 2025 - 9:39

Automorphism group of disjoint cycle graphs of different lengths

Published on 12 Jan 2025 - 9:39

Suppose $F_1$ and $F_2$ are distinct reflections in $D_n$ such that $F_1F_2=F_2F_1$...

Published on 12 Jan 2025 - 9:39

$D_n$ is a group for all integers $n\geq 3$

Published on 12 Jan 2025 - 9:39

The order deduced from relations in $D_n$

Published on 28 Dec 2024 - 22:22

Show the sub group $\langle r^k\rangle$ is normal in the dihedral group of order $2n$ when $k | n$ and $r$ is the rotation by $2\pi/n$

Published on 12 Jan 2025 - 9:39

What exactly is a Frieze group and how would you find the isometries preserving one?

Published on 12 Jan 2025 - 9:39

Are dihedral groups well defined by their generating groups?

Published on 12 Jan 2025 - 9:39