Characteristic polynomials of the Hecke operator T3 on Gamma0(4) with character chi_4 for weights up to 21

{5, x}

{7, -498 + x^2}

{9, x*(-9699 + x^2)}

{11, 857744802 - 103716*x^2 + x^4}

{13, x*(-300915444123 - 911541*x^2 + x^4)}

{15, 44471848524179459310 + 49345197432057*x^2 - 12849558*x^4 + x^6}

{17, x*(-90643236352302102155847 + 1518140747801358*x^2 - 103399623*x^4 + x^6)}

{19, -34488886121586720418819629393163710 - 76184415207498079724873616*x^2 + 378724900504586580*x^4 - 1184911176*x^6 + x^8}

{21, x*(222150593927308190513324464790885477961 + 6036031493449464298067388738*x^2 + 31196543075714387835*x^4 - 12228240921*x^6 + x^8)}