Thanks. Currently, I need it to test a conjecture. I was hoping to
do this quickly, but I might just go there fore help implementing it
myself if I do end up needing it.
On Apr 20, 1:38 pm, John Cremona <john.crem...@gmail.com> wrote:
> I don't think these have been implemented yet. Over to you! You may
> like to join sage-nt if you are serious.
>
> John Cremona
>
> On Apr 20, 9:45 am, jtyard <jty...@gmail.com> wrote:
>
>
>
>
>
>
>
> > er.. in Igusa's theta function book.
>
> > On Apr 20, 10:04 am, jtyard <jty...@gmail.com> wrote:
>
> > > Does anyone know how to use Sage for computations with congruence
> > > subgroups other than Gamma, Gamma0, Gamma1 and GammaH? I need the
> > > group Gamma(n,2n) = \{gamma in Gamma(n) : 2n | ab, 2n | cd}, as
> > > defined in Ihara's theta function book, for odd n.
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