Permutation group conjugacy proof.
13771
Why are two permutations conjugate iff they have the same cycle structure?
96329
Show that for any $k$-cycle $(a_1 a_2...a_k) \in S_n$, and for any permutation $\pi \in S_n$, $\pi(a_1...a_k)\pi^{-1}=(\pi(a_1)..\pi(a_k))$
41695
Conjugate class in the dihedral group
139912
Complexity of finite group isomorphism problem
37331
Prove that every set with more than one element has a permutation without fixed points
4240
The proof of Triple Vector Products
74730
Combinatorial Proof of ${{n}\choose{k}} {{k}\choose{j}} = {{n}\choose{j}} {{n-j}\choose{k-j}}$
90256
Example of a simple graph isomorphic to a permutation group.
99346
Prove a result on transitive group actions.
50936
How to solve permutation group equations?(discrete mathematics,group theory)
147746
Characterisation of the squares of the symmetric group
96585
Sums and permutation
128966
Explicit bijection between $\Bbb R$ and permutations of $\Bbb N$
4555
How to write permutations as product of disjoint cycles and transpositions
117178
Cyclic group generators
41726
Musical and combinatorial proof
122504
Factorisations of permutations