[GAP Forum] Subgroup Conjugacy class lattice display

[Stefanos Aivazidis]

Dear Vincent,

You should check out Tim Dokchitser's "Group Names" database
which has what you want (plus much more) for groups of reasonably
small order:

https://people.maths.bris.ac.uk/~matyd/GroupNames/index.html

Best,
Stefanos

On Wed, 22 Jan 2020 at 07:34, Vincent Giambalvo <vince37 at hawaii.edu> wrote:

> Dear Forum,
> GAP has an easy builtin function to display the subgroup lattice of a very
> small group.
> DotFileLatticeSubgroups creates a file that Graphviz can read and display.
> I am looking for a way to just display the conjugacy classes. I know there
> might be problems with the partial order, but for my groups the C1 < C2 iff
> there is a representative of C1 contained in C2 will be fine. And there is
> some hope of displaying this partially ordered set, while the set of
> subgroups is far to large. GAP really has all the information, is there a
> way to get it out in a reasonable format. I really don’t want to manually
> create the file node by node.
> Thanks for your help.
>    Vince
>
>
>
> Sent from my iPad
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