Skip to main content

All Questions

Tagged with
2 votes
2 answers
268 views

Faithful permutation representation

excuse me if my question is trivial. I’m trying to use magma to construct faithful permutation representations of a certain group using the group action that lets the group G acts by the left ...
Math1's user avatar
  • 23
0 votes
1 answer
134 views

Simplification of a group presentation

Im new to MAGMA and hope somebody will help me with my question. If a group has a presentation with 4 generators, is there a magma code/function that can give me the same group with only three ...
Mr. J's user avatar
  • 49
5 votes
1 answer
173 views

Computing the number of conjugacy-classes in $GL_{n}(\mathbb{F}_{p})$ of elementary abelian p-subgroups by GAP and Magma

I'm trying to compute the number of conjugacy-classes of elementary abelian p-subgroups of rank $2$ in $GL_{n}(\mathbb{F}_{p})$ by GAP and Magma. So I consider the following GAP function: ...
نورالدين سنانو's user avatar
0 votes
0 answers
71 views

Elements $A\in GL_4(\mathbb{Z}_2)$ with $A^5=I, A\neq I$ by using GAP.

I need elements $A\in GL_4(\mathbb{Z}_2)$(General linear group of $4\times 4$ matrices over $\mathbb{Z}_2$ ) with $A^5=I, A\neq I.$ By using simple calculation its hard to find such types of elements....
neelkanth's user avatar
  • 6,100
1 vote
1 answer
320 views

Isomorphism between two magmas with one.

Do we have a method to find one (or all) isomorphism between two given magmas with one using GAP? Edit If we have Loop or Latin square (with one) instead of Magma then do we have the method?
Shodharthi's user avatar
4 votes
1 answer
653 views

GAP code to get Multiplication Table.

I have a finite set $S=\{0,1,2,\ldots,n-1\}$ and binary operation $\star$ on $S$ defined by $$x\star y= \left\{ \begin{array}{l l l} \frac{3(x+y)}{2} ~~\text{modulo} ~~n& \qquad \mbox{if $x$ ...
user93432's user avatar
  • 589