EntityQ7249476· pop 7· linked from 64 articlesprojective representationSign in to savehomomorphism G → PGL(V) from a group G to a projective linear group PGL(V) over a vector space VConnectionsgroup extensionEntitydiagonal matrixEntityspinorEntityorthogonal groupEntitymathematicsEntityInternational Standard Book NumberEntityspecial relativityEntitydigital object identifierEntitygroupEntityvector spaceEntityspinEntityfieldEntityJSTOREntitybibcodeEntityHilbert spaceEntitylinear mapEntityphysical systemEntityLie groupEntityroot of unityEntitygroup homomorphismEntityCategoriesGroup theoryHomological algebraRepresentation theoryRepresentation theory of groups