isEvenUnimodular

P160421
predicate

Indicates that a lattice is both even (all vector norms are even integers) and unimodular (has determinant ±1, i.e., is self-dual).

Observed surface forms (1)

Surface form Occurrences
isEvenUnimodularPositiveDefiniteOfRankLessThan 1

Sample triples (2)

Subject Object
E8 lattice true
E8 lattice 24 via predicate surface "isEvenUnimodularPositiveDefiniteOfRankLessThan"