Series representations

Generalized power series

Expansions at generic point z==z₀

Expansions on branch cuts

General case

Expansions at z==0

For the function itself

General case

Special cases

Expansions at z==-m

For the function itself

General case

Special cases

Expansions of psi^(nu)(-m+Epsilon) at Epsilon==0

For the function itself

Special cases

Asymptotic series expansions

For the function itself

General case

Special cases

Residue representations

Other series representations