GAP Package images

A package for finding minimal and canonical images in permutation groups

The current version of this package is version 1.4.2, released on 2026-08-18. For more information, please refer to the package manual. There is also a README file.

License: MPL-2.0

Dependencies

This package requires GAP version >= 4.13

The following other GAP packages are needed:

• Digraphs >= 1.0.0
• Datastructures >= 0.2.0

The following additional GAP packages are not required, but suggested:

• ferret >= 0.8.0
• vole >= 0.6.0

Authors

Christopher Jefferson, Markus Pfeiffer, Rebecca Waldecker, Eliza Jonauskyte.

Citing

Please, cite this package as

[JPWJ26] Jefferson, C., Pfeiffer, M., Waldecker, R. and Jonauskyte, E., images, Minimal and Canonical images, Version 1.4.2 (2026)
(GAP package), https://gap-packages.github.io/images/.

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

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Feedback

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