EntityQ869338· pop 7· linked from 493 articlesG2Sign in to savesimple Lie group; the automorphism group of the octonionsConnectionshistory of string theoryEntitystring theoryEntityLie groupEntityLeonard Eugene DicksonEntitytopological groupEntityorthogonal groupEntityroot systemEntityadjoint representationEntitysimple Lie groupEntityblack braneEntitymathematicsEntityphysicsEntityBlack holeConceptInternational Standard Book NumberEntityintegerEntityHenri PoincaréEntitydigital object identifierEntityInternational Standard Serial NumberEntityvector spaceEntitygroup theoryEntityCategoriesAlgebraic groupsExceptional Lie algebrasLie groupsOctonions