The Riemann Zeta function arises as the constant term of the Eisenstein series \(G_{2 k}\), and we noted that rationality of \(\zeta(1-2 k)\) then followed from properties of \(G_{2 k}\).
The Riemann Zeta function arises as the constant term of the Eisenstein series \(G_{2 k}\), and we noted that rationality of \(\zeta(1-2 k)\) then followed from properties of \(G_{2 k}\).
