DavidLHarden

Right now, I'm a math grad student at the University of Miami.

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Is there a Mathieu groupoid M_31?

gr.group-theory finite-groups reference-request asked Jul 18, 2011 at 21:48

mathoverflow.net

12 votes

Maximal Sylow 2-subgroups of simple groups

gr.group-theory finite-groups asked Jun 16, 2017 at 8:06

mathoverflow.net

11 votes

Efficient presentations for finite groups

reference-request finite-groups asked Mar 29, 2011 at 4:05

mathoverflow.net

11 votes

(A very limited instance of) Lagrange's Theorem's converse and A_5

gr.group-theory finite-groups asked Apr 16, 2011 at 3:58

mathoverflow.net

10 votes

All maximal subgroups have odd index

gr.group-theory finite-groups asked Sep 30, 2016 at 9:27

mathoverflow.net

10 votes

Orders of automorphism groups of p-groups

reference-request finite-groups gr.group-theory asked Jun 17, 2011 at 23:15

mathoverflow.net

10 votes

Larger cycle than 4, 2, 1 in Collatz iteration?

collatz-conjecture reference-request nt.number-theory asked Jun 24, 2011 at 17:02

mathoverflow.net

9 votes

The number of conjugacy classes and the order of the group

finite-groups gr.group-theory asked Oct 8, 2011 at 4:43

mathoverflow.net

9 votes

Parker-like loop of order 2187?

gr.group-theory finite-groups asked Mar 20, 2011 at 20:04

mathoverflow.net

8 votes

Involution on sextic polynomials?

gr.group-theory galois-theory polynomials asked Mar 4, 2011 at 7:25

mathoverflow.net

Top Answers

Groups that do not exist

mathoverflow.net

Can the unsolvability of quintics be seen in the geometry of the icosahedron?

mathoverflow.net

Why is the Gamma function shifted from the factorial by 1?

mathoverflow.net

Being a subgroup: proof by character theory

mathoverflow.net

Character-free proof that Frobenius kernel is a normal subgroup?

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finite groups of SL(4,C)

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Are there any solutions to $2^n-3^m=1$?

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Is there any real quadratic ring for which the Euclidean algorithm is polynomial?

mathoverflow.net

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

mathoverflow.net

Why do Bernoulli numbers arise everywhere?

mathoverflow.net

Embedding $S_3$ into $Aut(F_2)$

mathoverflow.net