#9390: is_galois_relative() not always right
------------------------------+---------------------------------------------
Reporter: arminstraub | Owner: davidloeffler
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.6.1
Component: number fields | Keywords: galois extension
Author: Francis Clarke | Upstream: N/A
Reviewer: Marco Streng | Merged:
Work_issues: |
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Comment(by mstreng):
Strange: I remove all patches, build, and the long gal_reps.py test is
fine, then I apply your latest patch, build, and it times out again after
1800 seconds.
The only thing I could think of is that (somewhere in a function called by
{{{EllipticCurve([1,-1,0,-107,-379]).galois_representation().image_type(7)}}})
an Error of is_galois with degree > 11 is raised and handled in some way.
With your patch, that computation will just go on and on.
Or there is something wrong with my sage installation. Can anyone
reproduce this increase in test time? (4.6.1.alpha2 with no other patches
applied)
For [http://wiki.sagemath.org/buildbot buildbot]:
Apply trac_9390-2nd_replacement.patch
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9390#comment:10>
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