Epstein zeta function
From specialfunctionswiki
Let $Q(m,n)=cm^2+bmn+an^2$. The Epstein zeta function is $$\zeta_Q(z)=\displaystyle\sum_{(m,n)\neq (0,0)} \dfrac{1}{Q(m,n)^z}.$$
Let $Q(m,n)=cm^2+bmn+an^2$. The Epstein zeta function is $$\zeta_Q(z)=\displaystyle\sum_{(m,n)\neq (0,0)} \dfrac{1}{Q(m,n)^z}.$$
