John Shareshian's user avatar
John Shareshian's user avatar
John Shareshian's user avatar
John Shareshian
  • Member for 12 years, 6 months
  • Last seen more than a month ago
47 votes
Accepted

$n!$ divides a product: Part I

17 votes
Accepted

n! divides a product: Part II

17 votes
Accepted

The Möbius number of the nonabelian finite simple groups

15 votes

No simple groups of order 720?

15 votes
Accepted

are irreducible representations with large fixed subspaces trivial?

15 votes
Accepted

Dimension of Specht Modules $S^\lambda$

14 votes
Accepted

the number of Sylow subgroups

12 votes
Accepted

Transitive subgroup of $S_p$ containing a $p$-cycle and a double transposition

12 votes
Accepted

Isomorphism and number of subgroups

12 votes
Accepted

Primitive, non-2-transitive groups with very large orbitals?

12 votes
Accepted

Groups with maximal element order 6

11 votes
Accepted

Effect on homology of decorating vertices of a simplicial complex

9 votes
Accepted

Characteristic subgroups of extra-special p-groups

9 votes

fixed points of permutation groups

8 votes
Accepted

Tensor products of permutation representations of symmetric groups.

7 votes

A general formula for the number of conjugacy classes of $\mathbb{S}_n \times \mathbb{S}_n$ acted on by $ \mathbb{S}_n$

7 votes
Accepted

Vanishing homology of simplicial complexes with few facets

7 votes
Accepted

How to prove that index of second smallest index subgroup in $A_n$ is $n \choose 2$?

6 votes
Accepted

generality of the lattice of normal subgroups

6 votes
Accepted

Combinatorial problem in $\mathsf{S}_4$

5 votes
Accepted

The zero entries in the character table of a finite group

5 votes
Accepted

Is there a maximal subgroup of depth 3?

5 votes

Field with one element look at counting index-$n$ subgroups in terms of Homs to $S_n$, generalization to $F_{1^k}$?

4 votes
Accepted

Generalization of the fundamental theorem of cyclic groups

4 votes
Accepted

Existence (or the number) of generating triple of involutions of $\operatorname{PGL}_2(p)$ with some conditions

4 votes

What groups have a second maximal subgroup below exactly four maximal subgroups?

4 votes

Finite Subgroups of $SL_2(R)$

4 votes

Combinatorial Morse functions and random permutations

3 votes

Help identify this generalized sign of real representations

3 votes
Accepted

Products of maximal inclusions of finite groups with a non-obvious intermediate