A package for constructive recognition of permutation and matrix groups

Version 1.4.2
Released 2022-09-27

This project is maintained by Max Horn

GAP Package recog

Warning: This package is still under development and this version is to be considered a working, but preliminary one.

This package contains a collection of methods for the constructive recognition of groups. It is mostly intended for permutation groups, matrix groups and projective groups.

The current version of this package is version 1.4.2, released on 2022-09-27. For more information, please refer to the package manual. There is also a README file.

License: GPL-3.0-or-later


This package requires GAP version >=4.11

The following other GAP packages are needed:


Max Neunhöffer, Ákos Seress.


Dominik Bernhardt, Nurullah Ankaralioglu, Peter Brooksbank, Frank Celler, Paula Hähndel, Alexander Hulpke, Stephen Howe, Christopher Jefferson, Maska Law, Steve Linton, Gunter Malle, Alice Niemeyer, Eamonn O’Brien, Colva M. Roney-Dougal, Sergio Siccha, Wilf Wilson, Madeleine Whybrow.


Please, cite this package as

[NSH22] Neunhöffer, M., Seress, Á. and Horn, M., recog, A package for constructive recognition of permutation and matrix groups, Version 1.4.2 (2022)
(GAP package),

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


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