Linked from

The 4 pages that link to Poincaré group, each with the reason it gives.

• 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.