#8541: modular forms / linear algebra issue -- subspace not invariant
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   Reporter:  was            |       Owner:  craigcitro
       Type:  defect         |      Status:  new       
   Priority:  major          |   Milestone:  sage-4.4  
  Component:  modular forms  |    Keywords:            
     Author:                 |    Upstream:  N/A       
   Reviewer:                 |      Merged:            
Work_issues:                 |  
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Description changed by was:

Old description:

> {{{
> sage: CuspForms(DirichletGroup(5).0,5).0
> sage: f[15]
> Boom!
> }}}
>
> This was reported by Paul Nelson, a grad student at Caltech.

New description:

 {{{
 sage: f = CuspForms(DirichletGroup(5).0,5).0
 sage: f[15]
 Boom!

 ArithmeticError: subspace is not invariant under matrix (vector is not in
 free module)
 }}}

 This was reported by Paul Nelson, a grad student at Caltech.

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8541#comment:1>
Sage <http://www.sagemath.org>
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