LerchPhi

LerchPhi[z, s, a] gives the Lerch transcendent Φ(z, s, a).

Examples

Evaluate the Lerch transcendent:

LerchPhi[0.5, 2, 1] // N
(* 1.64493 *)

Relation to Riemann zeta:

LerchPhi[1, s, 1] == Zeta[s]

Please visit the official Wolfram Language Reference for more details.