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Mathematica > Combinatorial Functions >

Built-in Mathematica Symbol

ThreeJSymbol

ThreeJSymbol[{j₁, m₁}, {j₂, m₂}, {j₃, m₃}]
gives the values of the Wigner 3-j symbol.

The parameters of ThreeJSymbol can be integers, half-integers or symbolic expressions.

The Clebsch-Gordan coefficients and 3-j symbols in Mathematica satisfy the relation .

Use symbolic arguments to obtain exact symbolic answers: