discriminant of Hecke algebra is broken #13212
Description
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| Sage Version 5.0, Release Date: 2012-05-14 |
| Type notebook() for the GUI, and license() for information. |
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sage: H = CuspForms(1, 24).hecke_algebra()
sage: H.discriminant()
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AttributeError Traceback (most recent call last)
/home/ghitza/<ipython console> in <module>()
/opt/sage-5.0/local/lib/python2.7/site-packages/sage/modular/hecke/algebra.pyc in discriminant(self)
523 except AttributeError:
524 pass
--> 525 basis = self.basis()
526 d = len(basis)
527 if d <= 1:
/opt/sage-5.0/local/lib/python2.7/site-packages/sage/modular/hecke/algebra.pyc in basis(self)
472 pass
473 level = self.level()
--> 474 bound = self.__M.hecke_bound()
475 dim = self.__M.rank()
476 if dim == 0:
/opt/sage-5.0/local/lib/python2.7/site-packages/sage/structure/parent.so in sage.structure.parent.Parent.__getattr__ (sage/structure/parent.c:6732)()
/opt/sage-5.0/local/lib/python2.7/site-packages/sage/structure/parent.so in sage.structure.parent.getattr_from_other_class (sage/structure/parent.c:3248)()
AttributeError: 'CuspidalSubmodule_level1_Q_with_category' object has no attribute 'hecke_bound'
Component: modular forms
Keywords: discriminant hecke beginner sd51
Author: Alejandro Argaez
Reviewer: Alex Ghitza
Merged: sage-5.12.beta2
Issue created by migration from https://trac.sagemath.org/ticket/13212