isUnimodular

P77156
predicate

Indicates that a matrix (or linear transformation) has determinant ±1, preserving volume and invertibility over the integers.

Sample triples (4)

Subject Object
Leech lattice true
Heisenberg Lie algebra true
special linear group SL(n,R)
surface form: SL(n,ℝ)
true
E8 lattice true