A Package For Mapping Class Orbit Computation

Version 1.4.4
Released 2018-12-02

This project is maintained by Sergey Shpectorov

Build Status Code Coverage

GAP package mapclass

This is the README file for the GAP package MapClass which calculates the mapping class group orbits for a given finite group.

The package can be found at its website

or via the Packages links from the GAP website

The MapClass package is redistributed with GAP. If you need to install a newer version of the package than the one that is redistributed with GAP, place the entire MapClass directory into the .gap/pkg/ directory.

To use the package, start GAP and type


The MapClass package banner should appear on the screen.

For details on how to use the MapClass package see the package documentation in the doc subdirectory.

MapClass is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. For details, see the file GPL in the etc directory of the GAP distribution or see the FSF’s own site.