EntityQ2031467· pop 12· linked from 113 articlesspin groupSign in to savemathematical group which is the double cover of the special orthogonal group SO(n)Connectionsexact sequenceEntitycovering spaceEntityLie groupEntitygroup actionEntitykernelEntitytopological groupEntitycenterEntityorthogonal groupEntityunitary groupEntityhomotopy groupEntitymathematicsEntityphysicsEntityelectronEntityInternational Standard Book NumberEntityintegerEntitygeneral relativityEntityelectromagnetismEntityfermionEntitygroup theoryEntityquaternionEntityCategoriesLie groupsSpinorsTopology of Lie groups