On Sun, Jun 8, 2008 at 4:21 PM, David Joyner <[EMAIL PROTECTED]> wrote: > > Sorry, I don't know the SAGE command or if it has > that functionality yet. I'm cc'ing the SAGE > support list to see if someone there can help you.
As far as I know, Sage has no functionality for computing weight 1 forms *yet*. Such functionality is planned... William > > ---- Original message ---- >>Date: Sun, 8 Jun 2008 12:27:30 -0400 >>From: "Hurt, Norm E." <[EMAIL PROTECTED]> >>To: <[EMAIL PROTECTED]> >> >> Dear Prof. Joyner, in Serre's paper Sur les >> representations modulaires (Duke (1987))he mentions >> in passing that he has checked his conjecture in the >> dihedral case S_3 for imaginary cubic fields and >> totally real cubic fields (p. 218). He notes on p. >> 219 that the cusp forms of weight one F' is a linear >> combination of theta functions of indefinite binary >> forms. His table on p. 217 mentions D=148, 229, 257, >> 316. Okay, is there a reference showing the >> q-expansion of F' in any of these cases. Magma does >> not like theta functions for quadratic forms which >> are indefinite. If you can show me how to calculate >> the q-expansion of F' in SAGE, that would be great, >> or a reference to such. >> >> >> >> Sincerely, >> >> >> >> Norm Hurt >> >> > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---