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New posts in symmetric-groups
Logic for decomposing a permutation into different products composed of transpositions
abstract-algebra
group-theory
symmetric-groups
permutations
Find the derived subgroup of $A_4$
group-theory
permutations
symmetric-groups
Generating the symmetric group $S_n$
abstract-algebra
group-theory
symmetric-groups
Let $a$ be a p-cycle in $S_p$, and let $b$ be a transposition in $S_p$. Show $S_p$ is generated by $a$ and $b$.
abstract-algebra
group-theory
permutations
galois-theory
symmetric-groups
What is symmetric about the symmetric group? [duplicate]
abstract-algebra
group-theory
symmetric-groups
Generalization of index 2 subgroups are normal
abstract-algebra
group-theory
finite-groups
symmetric-groups
Orders of a symmetric group
group-theory
symmetric-groups
$\operatorname{Aut}(S_4)$ is isomorphic to $S_4$
group-theory
alternative-proof
symmetric-groups
Normal subgroups of $S_n$ for $n\geq 5$.
abstract-algebra
group-theory
solution-verification
permutations
symmetric-groups
Group presentation of $A_5$ with two generators
abstract-algebra
group-theory
alternative-proof
symmetric-groups
group-presentation
Show that any abelian transitive subgroup of $S_n$ has order $n$
group-theory
finite-groups
abelian-groups
symmetric-groups
group-actions
Assume $H\le S_n$ contains an element of order $n$ and a transposition. Given that $n$ is prime, does $H=S_n$? [duplicate]
group-theory
symmetric-groups
Which vertex-transitive planar graphs represent non-self-intersecting polyhedra?
group-theory
graph-theory
recreational-mathematics
symmetric-groups
polyhedra
Help deriving that $\mathrm{sign} : S_n\to \{\pm 1\}$ is multiplicative
group-theory
permutations
determinant
symmetric-groups
multilinear-algebra
How many distinct subgroups does the symmetric group $S_3$ have?
group-theory
permutations
symmetric-groups
Functional Equations, Linear Symmetry, Group Theory
group-theory
functional-equations
symmetric-groups
What does an outer automorphism look like?
abstract-algebra
group-theory
intuition
symmetric-groups
group-actions
How to show that $K\leq S_4$ is a normal subgroup?
group-theory
symmetric-groups
normal-subgroups
How powerful is Cayley's theorem?
abstract-algebra
group-theory
finite-groups
symmetric-groups
Finding the left and right cosets of $H=\{(1),(12),(34),(12) \circ(34)\}$ in $S_4$
group-theory
symmetric-groups
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