GAP Package hecke

The Hecke package provides functions for calculating decomposition matrices of Hecke algebras of the symmetric groups and q-Schur algebras. Hecke is a port of the GAP 3 package Specht 2.4 to GAP 4.

The current version of this package is version 1.6.0, released on 2026-08-09. For more information, please refer to the package manual. There is also a README file.

License: GPL-2.0-or-later

Dependencies

This package requires GAP version >=4.13

Author

Dmitriy Traytel.

Citing

Please, cite this package as

[Tra26] Traytel, D., hecke, Calculating decomposition matrices of Hecke algebras, Version 1.6.0 (2026)
(GAP package), https://gap-packages.github.io/hecke/.

You can get more info by typing Cite("hecke"); in the gap prompt.

Feedback

For bug reports, feature requests and suggestions, please use the issue tracker.