#20821: modular_symbols_of_sign(1) giving incorrect answer
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Reporter: klui | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: modular forms | Keywords: modular symbols
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
sage: A = J0(188)[0]
sage: M = A._modular_symbols()
sage: M
Modular Symbols subspace of dimension 8 of Modular Symbols space of
dimension 49 for Gamma_0(188) of weight 2 with sign 0 over Rational
Field
sage: M.modular_symbols_of_sign(1)
Modular Symbols subspace of dimension 12 of Modular Symbols space of
dimension 27 for Gamma_0(188) of weight 2 with sign 1 over Rational
Field
}}}
The dimension of
{{{
M.modular_symbols_of_sign(1)
}}}
should be 4 instead.
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Ticket URL: <http://trac.sagemath.org/ticket/20821>
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