dilog( z )
The dilogarithm of z in SageMath. Defined by
\[ \operatorname{Li}_2(z) = \sum_{k=1}^{\infty} \frac{z^k}{k^2} \]Equivalent to polylog( 2 , z ).
Plot on the real axis:
Series expansion about the origin:
Special values:
Related functions: polylog
Function category: logarithmic functions sagemath-docs