#6124: Bug in galois_group of a p-adic field extension
--------------------------+-------------------------------------------------
Reporter: jlefebvre | Owner: roed
Type: defect | Status: closed
Priority: minor | Milestone: sage-duplicate/invalid/wontfix
Component: padics | Resolution: invalid
Keywords: p-adic | Work_issues:
Upstream: N/A | Reviewer: David Roe
Author: | Merged:
Dependencies: |
--------------------------+-------------------------------------------------
Changes (by jdemeyer):
* status: positive_review => closed
* reviewer: => David Roe
* resolution: => invalid
Old description:
> A bug in the implementation of p-adic groups.
>
> sage: K.<a> = Qp(2).extension(x^3 + x^2+1)
> sage: K.galois_group()
> ---------------------------------------------------------------------------
> ImportError Traceback (most recent call
> last)
>
> /Users/jeromelefebvre/.sage/temp/Jerome.local/23278/_Users_jeromelefebvre__sage_init_sage_0.py
> in <module>()
>
> /Applications/sage/local/lib/python2.5/site-
> packages/sage/rings/padics/unramified_extension_generic.pyc in
> galois_group(self)
> 96 ## doing this.
> 97 ##
> ---> 98 from sage.groups.perm_gps.permgroup import
> CyclicPermutationGroup
> 99 return CyclicPermutationGroup(self.modulus().degree())
> 100
>
> ImportError: cannot import name CyclicPermutationGroup
>
> While, CyclicPermutationGroup does work fine on my machine.
> sage: G=CyclicPermutationGroup(2)
> sage: G.list()
> [(), (1,2)]
New description:
A bug in the implementation of p-adic groups.
{{{
sage: K.<a> = Qp(2).extension(x^3 + x^2+1)
sage: K.galois_group()
---------------------------------------------------------------------------
ImportError Traceback (most recent call
last)
/Users/jeromelefebvre/.sage/temp/Jerome.local/23278/_Users_jeromelefebvre__sage_init_sage_0.py
in <module>()
/Applications/sage/local/lib/python2.5/site-
packages/sage/rings/padics/unramified_extension_generic.pyc in
galois_group(self)
96 ## doing this.
97 ##
---> 98 from sage.groups.perm_gps.permgroup import
CyclicPermutationGroup
99 return CyclicPermutationGroup(self.modulus().degree())
100
ImportError: cannot import name CyclicPermutationGroup
}}}
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6124#comment:7>
Sage <http://www.sagemath.org>
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