Lattice (group): Mathematics, Geometry, Group Theory

Hyperbolic Group: Group Theory, (mathematics), Word Metric, Geometry

Integer Lattice: Mathematics, Lattice (group), Euclidean Space

Bravais Lattice: lattice, Geometry, Crystallography, Auguste Bravais, Translation (geometry), Space group, Crystal...

Modular Group: group, Mathematics, Number theory, Geometry, Abstract algebra, group (mathematics), Matrix...