New posts in group-theory

What is an intuition behind conjugate permutations?

Conditions for cyclic quotient group

What is a coset?

Direct Product of more than 2 Groups

Intersection of cosets

If $H\unlhd G$ with $(|H|,[G:H])=1$ then $H$ is the unique such subgroup in $G$.

Slicker construction of the free product of groups

Let $G$ be a finite group of order $20$, and consider the representation of $G$ over $\Bbb C$

Seifert-van-Kampen and free product with amalgamation

A group of order $p^2q^2$ is never simple

Prove that $ U(n^2−1)$ is not cyclic

Group abelianization

Order of general linear group of $2 \times 2$ matrices over $\mathbb{Z}_3$

Question about Group notation

Using the orbit-stabilizer theorem to count graphs

Proof of Wilson's Theorem using concept of group.

How to show that if $G$ is union of three proper subgroups, then there is an epimorphism from $G$ to the Klein 4-group?

Brauer group of a field of rational numbers

Necklace problem with Burnside's lemma

Group G Preserving a Flag is Solvable