wigner_6j( j1 , j2 , j3 , j4 , j5 , j6 )
The Wigner 6-j symbol in SageMath. Related to racah by
\[ \begin{Bmatrix} j_1 & j_2 & j_3 \\ j_4 & j_5 & j_6 \end{Bmatrix} = (-1)^{j_1+j_2+j_4+j_5} W( j_1 j_2 j_5 j_4 ; j_3 j_6 ) \]Explicit values:
Related functions: racah wigner_3j
Function category: miscellaneous functions sagemath-docs