AttributeError when factoring ideals

[MANUEL CORTES IZURDIAGA]

When trying to factorize an ideal in a ring of integers:

I get the following error:

Does anybody know the problem?

Thanks in advace.

[Nils Bruin]

Try A = O.fractional_ideal(6) instead. I think you may be ending up in generic ideals-of-commutative-rings code, where factorization isn't readily available.

[MANUEL CORTES IZURDIAGA]

That worked. Than you!

[Justin C. Walker]

Hmm… what version of Sage are you using.

I tried this with two MacOS versions, Sage 10.1 on Catalina (10.15.7) and Sage 10.3 on High Sierra (10.13.6).  I had not problems on either version.

Also, for less typing, this works as well: A = 6*O :-}

Justin

On Jun 9, 2025, at 05:21 , 'MANUEL CORTES IZURDIAGA' via sage-support <sage-s...@googlegroups.com> wrote:

When trying to factorize an ideal in a ring of integers:

<Captura desde 2025-06-09 14-18-39.png>

I get the following error:

<Captura desde 2025-06-09 14-20-14.png>

Does anybody know the problem?

Thanks in advace.

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<Captura desde 2025-06-09 14-18-39.png><Captura desde 2025-06-09 14-20-14.png>

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Justin C. Walker, Curmudgeon at Large

Institute for the Absorption of Federal Funds

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I want to die, peacefully in my sleep, like my grandfather;

not screaming in terror, like his passengers.

[MANUEL CORTES IZURDIAGA]

Sage 10.6 in Ubuntu 24.04 through conda.

Manolo.

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