On Fri, Jan 27, 2012 at 4:24 PM, Jori Mantysalo <jori.mantys...@uta.fi> wrote:
> These work:
>
> SymmetricGroup(2).cayley_table()
> KleinFourGroup().cayley_table()
>
> This does not:
>
> SymmetricGroup(2).direct_product(SymmetricGroup(2)).cayley_table()

SymmetricGroup(2).direct_product(SymmetricGroup(2), False).cayley_table()

>
> There must be manual or FAQ about group presentation formats or something
> like it somewhere -- but where?

It is in the reference manual. If you go to the Sage website you can
find it. The page you want is
http://www.sagemath.org/doc/reference/sage/groups/perm_gps/permgroup.html
You can also type ? after a command, eg, G.direct_product? where G is
a group to get examples of
the syntax.



>
> --
> Jori Mäntysalo
>
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