KnowraPoincaré groupLinked fromLinked fromThe 4 pages that link to Poincaré group, each with the reason it gives.All 4Related 3Narrower topic 1Wigner classificationNarrower topic: Its unitary irreducible representations are the objects being classified.Lorentz covarianceRelated: It extends Lorentz symmetry by including translations, another symmetry of relativistic laws.Lorentz groupRelated: It extends Lorentz symmetry to include changes in spacetime origin.Coleman–Mandula theoremRelated: Its generators supply the spacetime symmetries covered by the theorem.