I would say because there is no canonically defined embedding as one can send i to -i as well.
On Thursday, October 18, 2018 at 1:38:24 PM UTC+2, Daniel Krenn wrote: > > sage: CyclotomicField(3).extension(x^2+1, 'i')(QQ.extension(x^2+1, > 'i').gen()) > > returns > > TypeError: Cannot coerce element into this number field > > Does anyone have some idea why this is not working? > > (This is https://trac.sagemath.org/ticket/26443) > > Best, Daniel > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
