f⁡(z)=(2⁢π)-3/22⁢π⁢ⅈ⁢∫c-ⅈ⁢∞c+ⅈ⁢∞ζ-s⁢Γ⁡(s)⁢Γ⁡(s+12)⁢Γ⁡(s+34)⁢Γ⁡(14-s)⁢ⅆ⁡s,