The GAP Small Groups Library

Version 1.5.3
Released 2023-05-16

This project is maintained by Max Horn

GAP Package SmallGrp

The SmallGrp package provides the library of groups of certain “small” orders. The groups are sorted by their orders and they are listed up to isomorphism; that is, for each of the available orders a complete and irredundant list of isomorphism type representatives of groups is given.

The current version of this package is version 1.5.3, released on 2023-05-16. For more information, please refer to the package manual. There is also a README file.


This package requires GAP version >= 4.9

The following other GAP packages are needed:


Hans Ulrich Besche, Bettina Eick, Eamonn O’Brien.


Please, cite this package as

[BEOH23] Besche, H. U., Eick, B., O'Brien, E. and Horn, M., SmallGrp, The GAP Small Groups Library, Version 1.5.3 (2023)
(Refereed GAP package),

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


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