Generalized power series
Expansions on branch cuts
For the function itself
In the lower halfplane
In the upper halfplane
Expansions at z==0
Expansions at z==6i
Expansions at z==6i
Expansions at z==z_{0}/;z_{0}!=+6i+i n
Expansions at z==6i+i n
Expansions at z==6ii n
