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Mathematica > Combinatorial Functions >

Built-in Mathematica Symbol

SixJSymbol

SixJSymbol[{j₁, j₂, j₃}, {j₄, j₅, j₆}]
gives the values of the Racah 6-j symbol.

The 6-j symbols vanish except when certain triples of the satisfy triangle inequalities.

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

Use symbolic arguments to obtain exact symbolic answers:

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