FUNCTION :  Geta - JAC-form of generalized eta function 
                

CALLING SEQUENCE : Geta(g,d,n) 
                    

PARAMETERS :   d,g,n - positive integers

SYNOPSIS :   
  Returns 
  q^(n*QP2(g/d)*d/2)*JAC(n*g,n*d,infinity)/JAC(0,n*d,infinity) 
  which JAC-form of generalized eta-function eta[d,h](n*tau) 

EXAMPLES :   

> with(ramarobinsids):
> with(thetaids): with(qseries):
> Geta(1,5,1);
                   (1/60)                    
                  q       JAC(1, 5, infinity)
                  ---------------------------
                      JAC(0, 5, infinity)    
DISCUSSION :

SEE ALSO :  

GetaB