#20261: Conversion of 0 in cyclotomic field fails
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Reporter: fstromberg | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: coercion | Resolution:
Keywords: cyclotomic | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
It is explicitely mentioned in the documentation of
`_coerce_from_other_cycltomic_field` that the method works only for roots
of unity. And indeed
{{{
sage: K6(K12(2))
# BOOM
sage: K6(K12.gen()**2 + 1)
# BOOM
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20261#comment:12>
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