Open jonhanke opened 13 years ago
sage: chi_tmp = DirichletGroup(105, RationalField())(kronecker_character_upside_down(105)) sage: MF = ModularForms(chi_tmp, 2) sage: CF = MF.cuspidal_subspace() sage: NF = CF.new_subspace() sage: type(NF) <class 'sage.modular.modform.submodule.ModularFormsSubmodule_with_category'> sage: new_eigenform_list = NF.decomposition() --------------------------------------------------------------------------- NotImplementedError Traceback (most recent call last) /Users/jonhanke/Documents/SAGE/<ipython console> in <module>() /Users/jonhanke/Documents/SAGE/sage-4.6/local/lib/python2.6/site-packages/sage/modular/modform/space.pyc in decomposition(self) 1616 NotImplementedError 1617 """ -> 1618 raise NotImplementedError 1619 1620 def newforms(self, names=None): NotImplementedError:
CC: @williamstein @jonhanke @JohnCremona
Component: modular forms
Keywords: modular forms
Author: Jonathan Hanke
Issue created by migration from https://trac.sagemath.org/ticket/10806
If you do
sage.modular.hecke.HeckeModule_free_module.decomposition(NF)
then it works (eventually -- it's way slower than it ought to be, but that's a separate issue).
CC: @williamstein @jonhanke @JohnCremona
Component: modular forms
Keywords: modular forms
Author: Jonathan Hanke
Issue created by migration from https://trac.sagemath.org/ticket/10806