#5153: bug in simon_two_descent for elliptic curves
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Reporter: was | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-4.4
Component: elliptic curves | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by weigandt):
> the numbers 3,4 which are supposed to be lower and upper bounds on the
rank are wrong and
> should be 3,3.
The numbers 3,4, are correct. G has a point of order 2 over its base
feild, so the 2-rank of the 2-Selmer group is 4. However, an error like
the one you're describing does occur with 438e1 over Q.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5153#comment:10>
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