Dear Kurt, Yes, there is LatticeSubgroups to calculate it:
http://www.gap-system.org/Manuals/doc/ref/chap39.html#X7B104E2C86166188 and you may use DotFileLatticeSubgroups to save the image to a file, or use the XGAP package (http://www.gap-system.org/Packages/xgap.html, does not work under Windows) to explore the lattice interactively (see e.g. the picture at http://www.gap-system.org/ukrgap/Examples/XGAP2.png Hope this helps, Alexander > Hallo, > > > > Maple has 2 important commands > > > > Lattice(G) and > > > > DrawSubgroupLattice(G) > > > > Has gap a correspondent command? > > > > Best Regards > > > > Kurt Ewald > > > > _______________________________________________ > Forum mailing list > Forum@mail.gap-system.org > http://mail.gap-system.org/mailman/listinfo/forum > _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
