#10941: ModularSymbols(4727).cuspidal_submodule().decomposition() fails
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Reporter: nbruin | Owner: craigcitro
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.0
Component: modular forms | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by davidloeffler):
* status: needs_info => needs_review
Comment:
In fact just after I wrote that there was no sign of it terminating, it
did:
{{{
----------------------------------------------------------------------
| Sage Version 4.7.2.alpha3, Release Date: 2011-09-28 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
sage: M = ModularSymbols(Integer(4727))
sage: C=M.cuspidal_submodule()
sage: dec=C.decomposition()
sage: len(dec)
8
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10941#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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