Newbetuts
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New posts in group-theory
What is an intuition behind conjugate permutations?
group-theory
permutations
Conditions for cyclic quotient group
group-theory
finite-groups
cyclic-groups
quotient-group
What is a coset?
abstract-algebra
group-theory
abelian-groups
Direct Product of more than 2 Groups
group-theory
Intersection of cosets
abstract-algebra
group-theory
If $H\unlhd G$ with $(|H|,[G:H])=1$ then $H$ is the unique such subgroup in $G$.
abstract-algebra
group-theory
finite-groups
Slicker construction of the free product of groups
abstract-algebra
group-theory
category-theory
free-groups
Let $G$ be a finite group of order $20$, and consider the representation of $G$ over $\Bbb C$
group-theory
representation-theory
characters
Seifert-van-Kampen and free product with amalgamation
abstract-algebra
group-theory
algebraic-topology
A group of order $p^2q^2$ is never simple
abstract-algebra
group-theory
finite-groups
Prove that $ U(n^2−1)$ is not cyclic
group-theory
Group abelianization
abstract-algebra
group-theory
intuition
Order of general linear group of $2 \times 2$ matrices over $\mathbb{Z}_3$
linear-algebra
abstract-algebra
group-theory
Question about Group notation
group-theory
Using the orbit-stabilizer theorem to count graphs
group-theory
graph-theory
Proof of Wilson's Theorem using concept of group.
abstract-algebra
group-theory
elementary-number-theory
congruences
How to show that if $G$ is union of three proper subgroups, then there is an epimorphism from $G$ to the Klein 4-group?
abstract-algebra
group-theory
Brauer group of a field of rational numbers
abstract-algebra
group-theory
field-theory
division-algebras
Necklace problem with Burnside's lemma
abstract-algebra
group-theory
Group G Preserving a Flag is Solvable
linear-algebra
group-theory
vector-spaces
infinite-groups
solvable-groups
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