#9332: S_class_group() should return a group
-------------------------------------------------------------+--------------
Reporter: stankewicz | Owner:
davidloeffler
Type: enhancement | Status:
needs_work
Priority: major | Milestone:
Component: number fields | Keywords:
Author: Jim Stankewicz, Erin Beyerstedt, Anna Haensch | Upstream:
N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by stankewicz):
* cc: adeines, cremona, jeremywest (added)
Comment:
The newest patch is something that I've been working on for the last
several days, but I'm making no progress. There's a phantom attribute
error which comes up under the following code:
{{{
sage: K.<a> = QuadraticField(-14)
sage: K.testSclassgroup(tuple([K.ideal(2,a)]))
Class group of order 2 with structure C2 of Number Field in a with
defining polynomial x^2 + 14
sage: K.testSclassgroup(tuple([K.ideal(2,a)]))(K.ideal(3,a+1))
ERROR: An unexpected error occurred ...
}}}
Perhaps there's something stupid I'm missing and someone else can point it
out. Otherwise, I'm going to work on something else for a while and come
back to this with a fresh head.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9332#comment:8>
Sage <http://www.sagemath.org>
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