#3313: Add code to lift SL2(Z/NZ) to SL2(Z) (and for m not equal 2)
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Reporter: ncalexan | Owner:
was
Type: enhancement | Status:
new
Priority: minor | Milestone:
sage-feature
Component: number theory | Resolution:
Keywords: lift symplectic sl sl2 sl2z special linear | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by tmonteil):
There seems to be a fix for matrices arising with determinant -1 instead
of +1 at [http://ask.sagemath.org/question/2634/lifting-matrices-to-
sl_2mathbbz this ask question].
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/3313#comment:2>
Sage <http://www.sagemath.org>
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