gaunt( j1 , j2 , j3 , m1 , m2 , m3 )
The Gaunt coefficient in SageMath. Defined by
\[ Y( j_1,j_2,j_3,m_1,m_2,m_3 ) = \int_0^{2\pi} d\phi \int_0^\pi \sin\theta \: d\theta \; Y_{j_1}^{m_1} ( \theta, \phi ) \; Y_{j_2}^{m_2} ( \theta, \phi ) \; Y_{j_3}^{m_3} ( \theta, \phi ) \]Explicit values:
Related functions: spherical_harmonic
Function category: miscellaneous functions sagemath-docs