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2018-06-27 11:43:31 +0200 | commented answer | Pari error when factoring polynomial Thanks! I will look into it. |

2018-06-26 21:58:15 +0200 | asked a question | Pari error when factoring polynomial I ran the following code to factor a polynomial over a number field: This code works for all substitutions of 256 by another value I have tried, but this one gives an error: This seems like some bug in sage, but I am not quite sure what to make of the error. Does anyone know how to deal with this error and to properly let sage factor this polynomial? |

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2018-06-17 16:10:17 +0200 | commented answer | Possible bug with identity morphism Is there any way to coerce the formal composite map to one of the former type?
I compute the product of |

2018-06-17 12:47:03 +0200 | asked a question | Possible bug with identity morphism I have a number field When I run this code, I expect Is this a bug or is this this behaviour explained somewhere in the documentation? |

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2018-01-27 12:42:28 +0200 | commented answer | Computation of homomorphisms of number fields Maybe I should have included this, but at `print K.gens(), L.gens()' sage answers with
so clearly K has two generators, I think? Secondly, how does it decide where to send zeta3? In this case there is little room, but if we take this should also give a valid morphism instead of the one returned by K.hom([-s3]) that maps s2 to itself. |

2018-01-27 12:25:40 +0200 | asked a question | Computation of homomorphisms of number fields Given two number fields, I want to construct a morphism between them. For this I tried to use the hom member-function of the NumberField object as follows: The help page of hom specifies:
However, instead of TypeError, I get an incomprehensible error:
What am I doing wrong? Is there a better way to define this morphism? |

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