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SAGE can compute the class group of a quadratic field, but it has issues with computing the order of elements within that class group:
```
QF.=QuadraticField(-39)
CF=QF.class_group()
CF(QF.ideal(1+…
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* [x] I've read the [guidelines for Contributing to Roots Projects](https://github.com/roots/.github/blob/master/CONTRIBUTING.md)
* [x] This request isn't a duplicate of an existing issue
* [x] …
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Implements:
- the Poincaré-Birkhoff-Witt basis of the free algebra and several related functions
- the dual basis of the previous one in the shuffle algebra.
Also puts `FreeAlgebra` in the category…
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### Description
#### What's wrong?
After installing the latest Sage 10 commit using `composer create-project roots/sage sage10 dev-main`
an error occurs in backend and frontend after activating …
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### Agreement
- [X] This is not a duplicate of an existing issue
- [X] I have read the [guidelines for Contributing to Roots Projects](https://github.com/roots/.github/blob/master/CONTRIBUTING.md)
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Singular 3-1-7p1 repackaged (see spkg-src):
* http://boxen.math.washington.edu/home/jpflori/upstream/singular-3.1.7p1.tar.bz2
CC: @vbraun @nbruin @burcin
Component: **packages: standard**
Author…
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I'm getting a fatal error when installing this (both with composer and as a download):
`
2022/11/16 15:12:04 [error] 84649#84649: *199 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaug…
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### Description
After upgrading a few versions of Pods I noticed my extended User field for `avatar` is not displaying correctly. This affects both the back and front end.
### Version
2.9.10.2
###…
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So far, there was no method for copying a `SingularElement`. Calling `copy` on a `SingularElement` resulted in an `(invalid object -- defined in terms of closed session)`.
The patch provides a `__c…
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Follow-up from #22701, where this was implemented for 'field'.
Before (with #31864):
```
sage: %time P = polytopes.hypercube(12, backend='polymake') …