qspec.wigner_3j  (  j_1 ,  j_2 ,  j_3 ,  m_1 ,  m_2 ,  m_3 ,  as_sympy = False  )[source]

Calculate the Wigner-3j symbol $ \begin{pmatrix} J_1 & J_2 & J_3 \\ m_1 & m_2 & m_3 \end{pmatrix}$.

Parameters:

j_1sympy_quant

$J_1$

j_2sympy_quant

$J_2$

j_3sympy_quant

$J_3$

m_1sympy_quant

$m_1$

m_2sympy_quant

$m_2$

m_3sympy_quant

$m_3$

as_sympybool

Whether to return the result as a sympy type.

Returns:

outNone

The wigner-3j symbol.