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Add cyclotomic factorization #276

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SoongNoonien
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This should replace thofma/Hecke.jl#1784. But if we merge this here we should also try to provide a method for multivariate/universal polynomials as these are also very common here.

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codecov bot commented Mar 6, 2025

Codecov Report

Attention: Patch coverage is 91.66667% with 3 lines in your changes missing coverage. Please review.

Project coverage is 94.97%. Comparing base (20f5fe5) to head (3b9aec1).

Files with missing lines Patch % Lines
src/CyclotomicFac.jl 91.66% 3 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master     #276      +/-   ##
==========================================
- Coverage   95.10%   94.97%   -0.13%     
==========================================
  Files          13       14       +1     
  Lines         920      956      +36     
==========================================
+ Hits          875      908      +33     
- Misses         45       48       +3     

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@SoongNoonien SoongNoonien linked an issue Mar 27, 2025 that may be closed by this pull request
@SoongNoonien
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I'd like to wait for Nemocas/AbstractAlgebra.jl#2058 to extend the factorization to universal polynomials. This is useful to factor the group order of non-simple generic character tables, i.e. tables containing generic cyclotomic numbers.

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@SoongNoonien AA v0.44.12 is out now

@SoongNoonien SoongNoonien force-pushed the cyc_fac branch 2 times, most recently from ed2d186 to 0434f38 Compare April 25, 2025 19:34
@SoongNoonien SoongNoonien marked this pull request as ready for review April 25, 2025 20:22
Co-authored-by: Lars Göttgens <[email protected]>
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PrintValPhi analog
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