EntityQ898619· pop 19· linked from 71 articlesClebsch–Gordan coefficientSign in to savecoefficients in angular momentum eigenstates of quantum systemsConnectionsspinEntityspherical harmonicEntitytotal angular momentum quantum numberEntityself-adjoint operatorEntityWigner 3-j symbolEntityCasimir invariantEntityphysicsEntityquantum mechanicsEntityInternational Standard Book NumberEntityPaul DiracEntitydigital object identifierEntityintegralEntitykinetic energyEntitygroupEntityvector spaceEntityfactorialEntityHebrew University of JerusalemEntityangular momentumEntityHilbert spaceEntityvector calculusEntityCategoriesMathematical physicsQuantum mechanicsRepresentation theory of Lie groupsRotational symmetryRotation in three dimensions