User Max Horn

71 votes

Accepted

Projective Plane of Order 12

answered Sep 14, 2010 at 16:12

51 votes

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Has gnu(2048) been found?

answered Dec 30, 2019 at 8:25

49 votes

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Does the hypergraph structure of the set of subgroups of a finite group characterize isomorphism type?

answered Aug 17, 2010 at 13:10

27 votes

Small subgroups of the monster

answered Feb 7, 2023 at 0:01

18 votes

Accepted

Is hyperelliptic cryptography "practical"?

answered Feb 1, 2016 at 18:53

18 votes

Examples of common false beliefs in mathematics

answered Jul 15, 2016 at 12:45

15 votes

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Terminology for a bijection from a set to itself

answered Dec 30, 2022 at 9:44

13 votes

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Character table of $S_7$

answered Apr 4, 2014 at 23:50

13 votes

Accepted

Computer power in plane geometry

answered Aug 18, 2010 at 1:05

13 votes

Accepted

Mathematical software for computing in integral group rings of discrete groups?

answered Aug 10, 2010 at 16:06

11 votes

Nilpotency class of a certain finite 2-group

answered Nov 7, 2011 at 14:51

11 votes

Does -I belong to Weyl group?

answered Nov 25, 2011 at 10:31

8 votes

Accepted

Proof of an 'easy' exercise in a book of Tits

answered Apr 19, 2011 at 11:01

8 votes

Generation in finite simple groups of Lie type

answered Jul 29, 2016 at 17:10

6 votes

Is every normal subgroup of $\mathrm{SL}_2(\mathbb{Z}/n)$ also normal inside $\mathrm{GL}_2(\mathbb{Z}/n)$?

answered Oct 5, 2023 at 23:27

5 votes

Accepted

Density/Thickness of rank 3 spherical buildings

answered Jun 25, 2013 at 12:40

5 votes

Finitely generated subgroup

answered Jul 12, 2011 at 7:55

5 votes

Accepted

Coxeter Isometry groups whose center has torsion

answered May 19, 2015 at 8:24

5 votes

What can be said about a group from its presentation?

answered Aug 16, 2010 at 11:50

4 votes

classification of small complete groups

answered Oct 1, 2010 at 1:26

4 votes

Accepted

Row reduction of sparse matrices

answered Jan 10, 2011 at 20:47

4 votes

how many semi direct products are there?

answered Mar 18, 2011 at 12:26

4 votes

Accepted

Finding groups of odd order without non-cyclic nilpotent quotients

answered Jun 24, 2011 at 12:39

4 votes

Accepted

Is a point stabilizer in the Mathieu group $M_{20}$ half-transitive?

answered May 9, 2022 at 19:26

4 votes

Accepted

Moufang identities and Moufang plane

answered Jul 18, 2023 at 20:57

3 votes

Reference request: from a reduced expression of an element in a Coxeter group to another reduced expression

answered Mar 16, 2017 at 10:16

3 votes

algorithms for comparing two simplicial complexes

answered Dec 14, 2011 at 16:38

3 votes

Cosets representatives of congruence subgroups

answered Dec 19, 2011 at 15:17

3 votes

My output of a group and inverse-closed subset in MAGMA is no longer inverse-closed when entered as input to GAP.

answered Feb 12, 2013 at 23:05

3 votes

An algorithm to find non-trivial linear dependencies

answered Feb 8, 2011 at 22:30

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37 Answers

Projective Plane of Order 12

Has gnu(2048) been found?

Does the hypergraph structure of the set of subgroups of a finite group characterize isomorphism type?

Small subgroups of the monster

Is hyperelliptic cryptography "practical"?

Examples of common false beliefs in mathematics

Terminology for a bijection from a set to itself

Character table of $S_7$

Computer power in plane geometry

Mathematical software for computing in integral group rings of discrete groups?

Nilpotency class of a certain finite 2-group

Does -I belong to Weyl group?

Proof of an 'easy' exercise in a book of Tits

Generation in finite simple groups of Lie type

Is every normal subgroup of $\mathrm{SL}_2(\mathbb{Z}/n)$ also normal inside $\mathrm{GL}_2(\mathbb{Z}/n)$?

Density/Thickness of rank 3 spherical buildings

Finitely generated subgroup

Coxeter Isometry groups whose center has torsion

What can be said about a group from its presentation?

classification of small complete groups

Row reduction of sparse matrices

how many semi direct products are there?

Finding groups of odd order without non-cyclic nilpotent quotients

Is a point stabilizer in the Mathieu group $M_{20}$ half-transitive?

Moufang identities and Moufang plane

Reference request: from a reduced expression of an element in a Coxeter group to another reduced expression

algorithms for comparing two simplicial complexes

Cosets representatives of congruence subgroups

My output of a group and inverse-closed subset in MAGMA is no longer inverse-closed when entered as input to GAP.

An algorithm to find non-trivial linear dependencies