About: http://webisa.webdatacommons.org/86382817

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The subgroups D and U intersect in only the identity, and D normalizes U, so the subgroup generated by both D and U is a semi-direct product B consisting of exactly the lower triangular matrices with non-zero diagonal entries.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com