Characteristic polynomials of the Hecke operator T3 on Gamma0(20) for weights up to 20

{2, 2 + x}

{4, -4 + x}

{6, -22 + x}

{8, (6 + x)*(-4416 + 20*x + x^2)}

{10, (48 + x)*(-3324 + 260*x + x^2)}

{12, (-306 + x)*(-174816 - 220*x + x^2)}

{14, (-2273184 + 780*x + x^2)*(-46849752 - 3293844*x - 1042*x^2 + x^3)}

{16, (-18778716 + 1740*x + x^2)* (-11759883264 - 32678256*x - 856*x^2 + x^3)}

{18, (-50056704 - 10980*x + x^2)* (-697999855608 - 134386164*x + 2822*x^2 + x^3)}

{20, (49306191104376 - 2727078516*x - 34086*x^2 + x^3)* (2048939287964476416 - 27175390721280*x - 3435711792*x^2 + 3080*x^3 + x^4)}