#6018: Confusing behaviour with Dirichlet characters
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Reporter: davidloeffler | Owner: craigcitro
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-4.3.1
Component: modular forms | Keywords: Dirichlet characters
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by craigcitro):
This looks good -- I just have two questions:
* In the last example, you show that weirdness ensues when the provided
`zeta` doesn't have order `zeta_order`. Couldn't we (optionally, with a
`check=...` parameter) check this? Having it on by default definitely
seems like it'd stop users from shooting themselves in the foot.
* Is it possible for the call to `base_ring(zeta)` to raise an exception?
If so, do we want to catch that and provide a more direct error message,
or just let it go?
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6018#comment:6>
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