All Questions
6
questions
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 ...
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 ...
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:
...
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....
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?
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 $x$ ...