Hi there,
I imagine what the problem would be however I cannot reproduce it, where did
you run that test, is it a vanilla SAGE 2.0?
Martin
This is my trackback:
sage: sage: M = X.T(13).matrix()
Modular polynomial database
file /home/malb/SAGE/data/kohel/PolMod/Cls/pol.013.dbz not available
---------------------------------------------------------------------------
<type 'exceptions.RuntimeError'> Traceback (most recent call last)
/home/malb/<ipython console> in <module>()
/home/malb/SAGE/local/lib/python2.5/site-packages/sage/modular/hecke/hecke_operator.py
in matrix(self)
441 return self.__matrix
442 except AttributeError:
--> 443 self.__matrix = self.parent().hecke_matrix(self.__n)
444 return self.__matrix
445
/home/malb/SAGE/local/lib/python2.5/site-packages/sage/modular/hecke/algebra.py
in hecke_matrix(self, n)
199 [4860 0 2049]
200 """
--> 201 return self.__M.hecke_matrix(n)
202
203
/home/malb/SAGE/local/lib/python2.5/site-packages/sage/modular/ssmod/ssmod.py
in hecke_matrix(self, L)
881 else:
882 DBMP = ClassicalModularPolynomialDatabase()
--> 883 phi_L = DBMP[L]
884 for i in range(len(SS)):
885 ss_i = SS[i]
/home/malb/SAGE/local/lib/python2.5/site-packages/sage/databases/db_modular_polynomials.py
in __getitem__(self, level)
75 print msg
76 raise RuntimeError, \
---> 77 "No database entry for modular polynomial of
level %s"%level
78 if self.model == "Cls":
79 P = MPolynomialRing(IntegerRing(),2,"j")
<type 'exceptions.RuntimeError'>: No database entry for modular polynomial of
level 13
--
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
_www: http://www.informatik.uni-bremen.de/~malb
_jab: [EMAIL PROTECTED]
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