E8 (mathematics)
248-DIMENSIONAL EXCEPTIONAL SIMPLE LIE GROUP
E8 (group); E8 (Mathematics); Lie group E8; E8 shape; E₈ (mathematics); E₈; E8 Lie group; E8 Lie algebra
In mathematics, E8 is any of several closely related exceptional simple Lie groups, linear algebraic groups or Lie algebras of dimension 248; the same notation is used for the corresponding root lattice, which has rank 8. The designation E8 comes from the Cartan–Killing classification of the complex simple Lie algebras, which fall into four infinite series labeled An, Bn, Cn, Dn, and five exceptional cases labeled G2, F4, E6, E7, and E8.