#9894: Group cohomology spkg, version 2.1
----------------------------------------------------------------------------------------+
Reporter: SimonKing
| Owner: tbd
Type: enhancement
| Status: needs_work
Priority: major
| Milestone: sage-4.6
Component: optional packages
| Keywords: modular group cohomology solaris t2
Author: Simon King
| Upstream: N/A
Reviewer:
| Merged:
Work_issues: tests should work independent of the data the user has on his/her
system |
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Comment(by kcrisman):
I did `./sage -ba` to get rid of the erroneous errors (that would include
the file you refer to). I'll upload an updated version of that part of
the log. Also, there *was* internet connection (had to have it to
download it, and also to get the gap package I didn't realize I needed
until it told me so), but it is true I have never computed these before or
used the spkg before. As far as I can tell, the second run had the same
failures, but I didn't bother to check all of them by hand.
Finally, here is one of the typical failures replicated. I can check some
other stuff (possibly not until rather later, though) if you give very
explicit instructions as to what commands to run.
{{{
Crismans-Computer:~ crisman$ Desktop/sage-4.5.3/sage
----------------------------------------------------------------------
| Sage Version 4.5.3, Release Date: 2010-09-04 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: from pGroupCohomology import CohomologyRing
sage: tmp = tmp_filename()
sage: CohomologyRing.set_user_db(tmp)
sage: G = gap('AlternatingGroup(8)')
sage: H = CohomologyRing(G,prime=2,GroupName='A8')
---------------------------------------------------------------------------
IndexError Traceback (most recent call
last)
/Users/crisman/<ipython console> in <module>()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/__init__.pyc in __call__(self, *args, **kwds)
2676 # By now, we have both subgroups and their cohomology
rings.
2677 if not HP.completed:
-> 2678 HP.make()
2679 # not needed for HSyl, since it was computed when we
did it in the computation of HP
2680
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/modular_cohomology.so in
pGroupCohomology.modular_cohomology.MODCOHO.make
(pGroupCohomology/modular_cohomology.c:46208)()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/modular_cohomology.so in
pGroupCohomology.modular_cohomology.MODCOHO.next
(pGroupCohomology/modular_cohomology.c:45211)()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/cohomology.so in
pGroupCohomology.cohomology.COHO.lift_dickson
(pGroupCohomology/cohomology.c:63567)()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/modular_cohomology.so in
pGroupCohomology.modular_cohomology.MODCOHO.PrescribedRestrictions
(pGroupCohomology/modular_cohomology.c:35570)()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/modular_cohomology.so in
pGroupCohomology.modular_cohomology.MODCOHO.decomposable_classes
(pGroupCohomology/modular_cohomology.c:33350)()
/Users/crisman/Desktop/sage-4.5.3/local/lib/python2.6/site-
packages/pGroupCohomology/modular_cohomology.so in
pGroupCohomology.modular_cohomology.MODCOHO.find_relations
(pGroupCohomology/modular_cohomology.c:32768)()
IndexError: list index out of range
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9894#comment:4>
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