GAP Package PerfGrp

The PerfGrp package provides the library of finite perfect groups, which contains, up to isomorphism, all perfect groups of order less than 2 000 000, as well as functionality for determining the perfect subgroups of a finite group.

The current version of this package is version 1.0.0, released on 2026-08-11. 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 >= 4.15

Authors

Alexander Hulpke, Derek F. Holt, Wilhelm Plesken, Volkmar Felsch.

Citing

Please, cite this package as

[HHPF26] Hulpke, A., Holt, D. F., Plesken, W. and Felsch, V., PerfGrp, GAP Library of Finite Perfect Groups, Version 1.0.0 (2026)
(GAP package), https://gap-packages.github.io/perfgrp/.

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

Feedback

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