# Power series expansion

by twoforone
Tags: expansion, power, series
 P: 3 Hi Every body! I wan to compute the power series expansion of dedekind eta function. Specifically, I want to know the power series expansion of η(τ)/η(3τ)? How could I expand this function? I would be happy if you could help me as I am stuck at this state when I am computing the modular polynomial of prime number 3.
 P: 150 is eta the alternating zeta function??
 P: 3 eta function is a function with this expression infinity η(τ)=q^24 ∏(1-q^n) n=0 where q=e^2πiτ Sorry, the product is from n=0 up-to infinity. You should understand in that way.

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