#13810: Galois group when polynomial has too high degree
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Reporter: jmantysalo | Owner: davidloeffler
Type: defect | Status: new
Priority: trivial | Milestone: sage-wishlist
Component: number fields | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jmantysalo/galois_group_when_polynomial_has_too_high_degree|
cbc8acd14df82c26e5d0d7849cdd7be031f595a0
Dependencies: | Stopgaps:
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Changes (by jmantysalo):
* commit: => cbc8acd14df82c26e5d0d7849cdd7be031f595a0
Comment:
There has been some other modifications on
`src/sage/rings/polynomial/polynomial_rational_flint.pyx` that conflicts
with this patch.
In any case, http://page.math.tu-berlin.de/~kant/.3a6ca5.html clearly says
that polynomials up to degree 23 are supported. But just changing given
example `x_O:=MaximalOrder(X^2+5); Galois(x_O);` to have `x^23+5` gives
segfault and degree 22 get stuck. So I suggests trying KASH only when
degree <= 21.
----
New commits:
||[http://git.sagemath.org/sage.git/commit/?id=cbc8acd14df82c26e5d0d7849cdd7be031f595a0
cbc8acd]||{{{Changed limit of using KASH from <=23 to <=21.}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/13810#comment:9>
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