On Tue, 20 Nov 2007, William Stein wrote:
> On Nov 20, 2007 9:52 AM, Iftikhar Burhanuddin wrote:
> > Sage raises an exception when computing ModularSymbols for the congruence
> > subgroup Gamma_H(N) of weight 2. Is this a bug?
>
> Yes. Report it on trac. This will actually probably be pretty har
On Nov 20, 2007 9:52 AM, Iftikhar Burhanuddin <[EMAIL PROTECTED]> wrote:
>
> Hi folks,
>
> Gamma_H(N) are SL_2(Z) matrices where the lower left entry is
> congruent to 0 mod N, and the upper left and lower right entries are
> elements of a specified subgroup H of (Z/N)^*.
>
> Sage raises an except
