
// Make newform 6018.2.a.y in Magma, downloaded from the LMFDB on 19 April 2024.
// To make the character of type GrpDrchElt, type "MakeCharacter_6018_a();"
// To make the coeffs of the qexp of the newform in the Hecke field type "qexpCoeffs();"
// To make the newform (type ModFrm), type "MakeNewformModFrm_6018_2_a_y();".
// This may take a long time!  To see verbose output, uncomment the SetVerbose lines below.
// The precision argument determines an initial guess on how many Fourier coefficients to use.
// This guess is increased enough to uniquely determine the newform.
// To make the Hecke irreducible modular symbols subspace (type ModSym)
// containing the newform, type "MakeNewformModSym_6018_2_a_y();".
// This may take a long time!  To see verbose output, uncomment the SetVerbose line below.
// The default sign is -1.  You can change this with the optional parameter "sign".
function ConvertToHeckeField(input: pass_field := false, Kf := [])
    if not pass_field then
        poly := [-104, -186, 930, 1135, -1296, -433, 356, 53, -33, -2, 1];
        Kf := NumberField(Polynomial([elt : elt in poly]));
        AssignNames(~Kf, ["nu"]);
    end if;
    Rf_num := [[1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, 0, 0, 0, 0, 0], [-232805875, -917083841, 516802760, 261039766, -127966190, -20812677, 8141512, 988626, -76913, -43951], [-459680139, -135541142, 1263523452, -154873115, -392668405, 61025321, 39620633, -6472015, -1275880, 214570], [-47082704, 117499426, -194173638, -29021559, 145009646, -13181246, -28056148, 4174377, 1418601, -249465], [-154245468, 174956104, 1070383049, -537665586, -349088916, 160178219, 33222269, -14645292, -956844, 414280], [-87407927, 448652800, 504776496, -684929521, -182686833, 181938909, 20221183, -15536862, -662240, 417990], [-191137786, 274790504, 833201672, -657244249, -329491644, 209998564, 43199010, -21953329, -1756250, 743180], [114968772, -250454498, -1317064691, 862414939, 595528719, -285693609, -82936201, 31167323, 3475010, -1112920], [-338810025, 760020540, 2587254209, -2064959828, -964601918, 618418870, 114940606, -59471294, -4265675, 1849040]];
    Rf_basisdens := [1, 1, 51474769, 51474769, 51474769, 51474769, 51474769, 51474769, 51474769, 51474769];
    Rf_basisnums := ChangeUniverse([[z : z in elt] : elt in Rf_num], Kf);
    Rfbasis := [Rf_basisnums[i]/Rf_basisdens[i] : i in [1..Degree(Kf)]];
    inp_vec := Vector(Rfbasis)*ChangeRing(Transpose(Matrix([[elt : elt in row] : row in input])),Kf);
    return Eltseq(inp_vec);
end function;


// To make the character of type GrpDrchElt, type "MakeCharacter_6018_a();"
function MakeCharacter_6018_a()
    N := 6018;
    order := 1;
    char_gens := [4013, 1771, 1123];
    v := [1, 1, 1];
    // chi(gens[i]) = zeta^v[i]
    assert UnitGenerators(DirichletGroup(N)) eq char_gens;
    F := CyclotomicField(order);
    chi := DirichletCharacterFromValuesOnUnitGenerators(DirichletGroup(N,F),[F|F.1^e:e in v]);
    return MinimalBaseRingCharacter(chi);
end function;

function MakeCharacter_6018_a_Hecke(Kf)
    return MakeCharacter_6018_a();
end function;


function ExtendMultiplicatively(weight, aps, character)
    prec := NextPrime(NthPrime(#aps)) - 1; // we will able to figure out a_0 ... a_prec
    primes := PrimesUpTo(prec);
    prime_powers := primes;
    assert #primes eq #aps;
    log_prec := Floor(Log(prec)/Log(2)); // prec < 2^(log_prec+1)
    F := Universe(aps);
    FXY<X, Y> := PolynomialRing(F, 2);
    // 1/(1 - a_p T + p^(weight - 1) * char(p) T^2) = 1 + a_p T + a_{p^2} T^2 + ...
    R<T> := PowerSeriesRing(FXY : Precision := log_prec + 1);
    recursion := Coefficients(1/(1 - X*T + Y*T^2));
    coeffs := [F!0: i in [1..(prec+1)]];
    coeffs[1] := 1; //a_1
    for i := 1 to #primes do
        p := primes[i];
        coeffs[p] := aps[i];
        b := p^(weight - 1) * F!character(p);
        r := 2;
        p_power := p * p;
        //deals with powers of p
        while p_power le prec do
            Append(~prime_powers, p_power);
            coeffs[p_power] := Evaluate(recursion[r + 1], [aps[i], b]);
            p_power *:= p;
            r +:= 1;
        end while;    
    end for;
    Sort(~prime_powers);
    for pp in prime_powers do
        for k := 1 to Floor(prec/pp) do
            if GCD(k, pp) eq 1 then
                coeffs[pp*k] := coeffs[pp]*coeffs[k];
            end if;
        end for;
    end for;
    return coeffs;
end function;


function qexpCoeffs()
    // To make the coeffs of the qexp of the newform in the Hecke field type "qexpCoeffs();"
    weight := 2;
    raw_aps := [[-1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, -1, 0, 0, 0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0, -1, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, -1, 0], [-1, 1, 0, 0, -1, 1, 1, 1, 1, 0], [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 1, 0, 0, -1, 0, -1], [-1, 0, 0, 0, 0, 0, 0, 0, 1, 1], [-3, 0, -1, 0, 0, -1, 0, 0, -1, 0], [0, 2, 1, -1, -1, 1, 2, 0, 1, 0], [-1, 1, 0, -1, 0, 0, -1, 0, 1, 1], [0, 0, 0, -1, 1, 0, 1, -1, 0, 0], [-2, 0, 0, 1, -1, 0, -1, -1, 0, 0], [-1, 1, 1, 0, -1, 1, 2, 1, 1, 0], [-1, -1, 0, 1, 2, -2, 0, 1, 0, 0], [1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [-4, 0, -1, -1, -1, -1, 0, -1, 1, 0], [-1, 2, 0, 0, 0, -1, -1, 0, 1, 2], [-4, -1, 0, 0, -1, 0, -2, -2, 0, 0], [-1, -1, -1, 1, 2, 0, -1, 0, 0, 0], [0, -1, -1, 0, -1, 1, 0, -1, 0, -1], [-1, 2, 0, 1, 1, -2, 0, 1, -2, -2], [-1, -2, -2, 1, 2, -1, 0, 0, -2, 0], [0, -2, 0, 1, -1, 2, 0, 0, -1, -1], [-2, 1, 1, 0, 0, 0, -1, 2, 0, 0], [3, 3, 2, -1, -1, 3, 3, 3, 2, 1], [-6, 0, 0, 0, -2, 1, -1, 0, 0, -3], [-2, 2, 1, -1, -1, 2, 4, 1, 0, 0], [-3, 2, 0, -1, -3, 0, 0, 1, 2, 0], [-4, 0, 0, 2, 0, -1, -1, 0, -2, 1], [-3, 1, 1, 0, 2, 1, 0, 0, -2, 2], [1, 5, 1, 0, -1, -1, 2, 3, -1, 0], [6, 0, 0, -2, 0, 4, 2, -2, -1, -2], [-7, -1, -1, 3, 0, -2, 0, -2, -1, 1], [-5, 2, -1, -1, -2, 0, -1, -1, 0, -2], [1, -2, -1, 1, 1, -1, 0, 1, -2, 1], [1, -1, -1, 1, 1, -3, 0, -2, -3, 1], [-11, 0, -1, 2, 0, -5, -2, -1, -1, 0], [0, 1, 1, -1, -2, 5, 2, 2, 1, -2], [4, -3, 1, 0, 5, -1, 0, 0, -4, 1], [1, -3, -1, 2, 3, -6, -5, -1, -3, 3], [-4, 0, 0, 1, -1, -1, -1, 0, -3, -4], [2, -3, 1, 0, 3, 1, 0, -2, 0, 1], [0, -3, 0, 1, 2, -1, -3, 1, 1, 4], [0, 0, 2, -1, 2, -1, -1, -2, 1, 2], [-3, 2, 0, -3, -3, 1, 1, 1, 0, -3], [-2, -3, 1, 0, -1, -1, -4, 0, -2, -1], [-12, 3, 1, -3, -4, 2, 0, 1, 2, 0], [-1, -1, 2, 0, -1, -1, 1, 1, 1, -2], [-7, 2, 2, -2, -5, 4, 2, 3, 2, -1], [-2, -2, -3, 1, -2, 0, 1, 4, 3, 1], [3, -3, 1, 2, 4, -7, -4, -3, -4, 2], [3, -6, 0, 0, 4, 0, -2, -2, -3, -3], [-7, -1, -1, 0, -3, 0, 1, 3, 5, 1], [-13, -1, -2, -1, 0, -1, -3, -5, 0, -1], [-2, 1, 1, 0, 3, -2, 1, 2, -2, 0], [2, 4, 2, 0, -2, 3, 1, -2, -2, -3], [-3, -3, 1, 1, 2, 2, 1, -1, 2, 2], [4, -1, -1, 0, 1, 2, 3, -2, -2, 0], [5, -7, -1, -1, 2, 0, -3, -3, 0, 2], [-5, -3, 0, 2, 1, -1, -1, -1, -1, 0], [-1, -1, 1, 3, -1, -2, 1, 1, 1, 2], [-6, 1, 2, -3, 0, 4, 0, 0, 1, -1], [2, -6, -2, 3, 6, -5, -3, -4, -3, 2], [2, 1, 0, 0, 1, -3, 2, 3, 3, 2], [3, -5, -1, 3, 5, -3, -2, -1, -5, 1], [-4, 0, 0, 0, -3, 3, -3, 0, 2, -1], [-12, -1, -1, 0, 0, 1, -3, -1, 0, 2], [-3, -1, 0, 1, 0, -2, 0, -3, 2, 2], [-2, -3, -3, 1, -2, -2, -1, -3, -1, -1], [5, -4, 1, 0, 4, -1, 0, 0, -3, -2], [9, 7, 2, -4, -5, 3, 5, 1, 1, 0], [2, -2, -2, 0, 3, -2, -4, -6, -2, -2], [2, 6, 2, -1, -4, 2, 8, 4, -1, -1], [-4, 3, -2, -1, -4, 3, 4, 7, 2, -1], [2, 3, 0, 3, 0, -1, -1, 0, -1, 2], [-3, 1, -2, 1, -1, -4, 0, 1, -2, 2], [12, 0, 2, 0, -3, 2, 2, 2, -1, -2], [5, -5, -3, 3, 2, -1, 2, -1, 0, -1], [-7, 1, 1, 0, -2, -2, -3, -1, 1, 1], [4, 1, 2, -3, -4, 2, 4, 4, 5, 1], [-4, -3, 1, 3, -4, 1, -1, 1, -2, -1], [3, -5, -3, -1, 3, -3, -1, 2, -2, 0], [2, -2, 0, 4, 4, -1, 0, -1, -1, 2], [-2, 5, -1, 0, -3, -4, -1, 0, -4, -4], [-7, 3, -1, 0, 1, -5, -2, 5, 1, 2], [4, 6, 0, -5, -5, 7, 9, 2, 5, -6], [-12, -3, -2, 4, 3, -6, -6, -2, 0, 2], [-8, 0, -1, -1, -1, 1, -1, -1, 2, 3], [-2, 3, 1, 0, 2, 1, 4, -2, -3, -1], [-3, -4, -1, 3, 7, -5, -8, -7, 0, 3], [7, -2, -2, -1, 1, 1, 0, -4, -1, -2], [-5, 1, 5, -2, -4, 6, 3, 3, 3, -1], [7, -5, 1, 1, 0, 5, -1, -6, -1, -4], [1, -2, 0, -1, 5, 2, 0, -5, 0, -4], [0, -1, -1, 3, -1, -2, -7, 2, 1, 1], [8, -6, 0, 0, 4, 3, 1, -1, -2, 1], [3, 0, 4, 2, 6, -1, -3, -1, -1, 4], [-2, 4, 1, -1, -4, 1, 0, 0, 5, 2], [4, 1, -1, -2, -4, 6, 7, 4, 2, -4], [4, -2, -1, 0, 0, -2, 1, 4, 4, -2], [-2, 3, 3, 0, 0, 6, 5, 2, 5, -2], [1, 2, 2, -3, -3, 8, 8, 2, 2, -2], [-5, -4, -2, 2, 0, -2, 0, 1, 1, 5], [7, 2, -2, 0, -3, 1, 2, 0, 5, -3], [-6, 0, -4, 1, 0, -7, 1, 0, 2, 4], [-2, 5, 3, -3, -2, 4, 5, 6, 3, 1], [1, 0, 3, 1, -3, 3, 4, 2, 6, 5], [5, -9, -1, 1, -2, 4, -2, -2, -1, -3], [1, 6, 0, 0, -2, 1, -1, 6, -1, 2], [0, 6, 1, -3, -1, 3, 2, 4, 3, -2], [-6, -1, -1, -3, 2, -5, -6, -7, 1, 4], [-2, 1, 3, 1, -3, 2, 5, 0, 3, -1], [-15, 1, -3, -2, -3, 2, 1, 3, 7, 3], [-4, 5, 1, 1, 3, -1, -2, -2, -5, 2], [2, 3, -1, -3, -2, 4, -5, 1, 7, -1], [1, -2, -1, 3, 7, -2, 2, -4, -3, 1], [-16, -5, -2, 3, 1, -5, -7, -6, -1, 2], [10, 6, 2, -2, -8, 8, 8, 6, 2, -6], [2, -4, -2, -2, 4, -2, -8, -3, 6, 2], [4, 0, 0, 2, 3, -3, -5, -4, 4, 3], [0, 7, 2, -1, -8, 5, 4, 1, 0, -9], [-1, -1, 3, -2, 2, 0, -3, -3, -4, -1], [3, 1, 3, 1, 4, 2, 3, -1, 2, 0], [-8, -6, -2, 0, 4, 2, -4, -5, 0, -2], [9, 0, 4, -1, -1, 4, 2, -3, 4, 0], [-19, 2, 0, 4, 1, -8, 2, -1, -5, 3], [1, -9, -1, -1, 4, -1, -2, -7, 2, -1], [-10, -7, -3, 1, 5, 0, -1, -4, 3, 5], [-6, -3, -1, 1, 2, 4, -3, -3, 3, -3], [-16, 3, -2, 4, 1, 1, 1, 0, -2, -3], [-5, 3, 2, -1, -2, 4, 8, -1, -4, 4], [-10, 2, 0, -3, -5, 8, 6, 5, 7, 1], [-4, 2, -2, -1, -5, 7, 1, -2, -1, 0], [2, -11, 1, 0, 7, -4, -5, 0, -4, 8], [-7, -3, 3, 1, 3, 2, -1, 1, -6, 0], [-4, 4, 2, -3, -2, -1, 2, 3, -3, 3], [-8, 5, -3, -2, 7, -8, -3, -7, -4, 4], [2, -8, -6, 0, 3, 0, -6, -4, -3, 0], [-4, -2, -2, 1, -1, -8, -4, 2, -1, 3], [14, 0, 0, -1, 9, -3, 3, -2, -7, -4], [-18, -4, -1, -3, 3, -4, -7, -6, 5, 1], [0, -4, -2, -2, 4, -6, -4, -4, 0, 0], [7, 1, -1, 2, -1, -5, -3, 2, 2, 3], [1, -5, -1, -2, 3, -2, -3, -3, -3, 3], [-4, -7, -1, -1, 2, 2, -7, -2, 1, 3], [-12, 6, 2, 2, -7, 7, 3, 10, 7, -3], [9, 0, -2, -2, 2, 2, 2, 0, 1, -1], [-11, 0, -2, 2, 0, 1, -5, 1, 3, -2], [11, -1, 3, 0, -7, 8, 3, 9, 1, -1], [4, 0, -2, -1, 0, -4, -8, -4, -4, -1], [-15, 3, 1, 2, -5, 3, -4, 1, 1, -2], [-5, -9, -1, 1, 6, -11, -7, -8, -3, -2], [8, 7, 1, -5, -1, 1, 0, 1, 4, -2], [3, 3, 0, -2, 7, -5, 1, -3, -3, 2], [-8, 15, 2, -3, -6, 0, 12, 5, 5, 5], [13, 0, 0, 3, 0, 4, 4, 9, -1, 0], [-13, 6, 6, -1, -1, 2, 4, 5, 0, 0], [4, -5, 1, 5, 6, -4, 5, -2, -3, 3], [12, -5, 3, -1, 4, 6, -3, -8, 1, -1], [-6, 3, -1, 0, -5, -3, 2, -4, 2, -3], [3, -2, 1, 6, 4, -2, 3, 1, 3, 3], [5, -1, 1, 2, 3, -4, -2, 4, -2, 6], [12, -1, 1, 1, 4, -2, 2, 7, 0, 0], [5, 8, -4, -1, -3, 0, -2, 0, 0, -4], [-7, -7, -2, -2, 1, 4, 2, -5, 1, -1], [0, 1, 3, 1, -6, 4, 3, 6, 3, 3], [-6, -7, 1, 4, 9, -9, -6, -4, -2, 7], [10, 3, 3, -6, -7, 7, 4, 4, 0, -1], [12, 2, 0, 0, -5, 4, 2, -2, 4, 6], [2, 3, 2, 0, 3, -8, -2, 2, 0, 0], [-7, 7, 0, -6, -7, 10, 6, 5, 3, -3], [-6, 0, -2, -2, -6, 4, 0, 0, -2, 0], [2, -14, 0, 1, 9, -5, -9, -2, -3, 2], [-9, 14, 0, -9, -9, 8, 7, 4, 5, -5], [4, -4, -4, 1, 4, 0, -6, -2, 4, 7], [-2, 8, -2, -3, -7, 4, 2, 0, -1, -9], [-1, 0, 2, -3, -1, 9, -3, 1, 8, -3], [3, 5, -1, 5, 4, -10, -3, 0, 0, 6], [23, 6, 2, -2, 6, -6, 4, 3, -7, 5], [-10, 1, -5, 2, -3, -9, 0, 4, -2, 3], [-15, 0, 3, 1, -4, -4, 1, 1, 4, 0], [7, 7, -1, 3, -2, -4, -1, 7, -2, 0], [-12, -2, 1, 3, 5, -6, -7, -1, -1, 7], [17, -3, 1, 2, 1, -3, 2, 4, -1, 4], [-3, 2, -1, -2, -8, 11, 6, 3, 7, -6], [6, -4, -2, -5, 3, 5, -5, -3, -1, 0], [-3, 5, -1, -4, 2, 2, -1, 3, -5, -1], [-1, -3, 1, 1, 3, -3, -4, 3, -4, -7], [-1, 0, 2, -3, -5, 5, -2, 2, 1, -2], [-12, -1, 3, -7, 1, 5, 0, -2, 0, 0], [-4, 9, -1, 4, -1, -1, -1, 9, 1, -4], [7, 3, -8, 1, -8, -4, -4, -1, 2, -4], [-2, -3, 1, -1, -8, 3, -6, 4, 1, -4], [3, -6, 0, 7, 2, -1, 5, -5, 1, -1], [3, -2, -4, -2, 0, -2, -2, 1, -1, -5], [13, 2, 3, -6, -2, 7, 10, -1, 1, -2], [22, 6, 4, 2, -9, 4, 0, 2, 5, -2], [-8, 7, 1, 1, -6, -9, -4, 0, 1, -2], [4, -4, 5, -2, 1, 2, -1, -4, 6, -2], [-2, -11, -1, 0, 4, -2, -5, -2, -6, -2], [-1, -2, -4, 2, -2, 3, -1, -2, -5, -6], [26, -5, 1, 1, 8, -2, 1, -6, 1, 11], [15, 8, 4, -8, -7, 12, 4, 3, 5, 1], [-2, 6, 2, -2, 2, 3, 8, -3, 1, 2], [1, 1, 2, -5, -2, 5, -1, 5, 2, -5], [-3, -5, -5, -4, 2, 1, -10, -7, 6, 4], [10, 7, 1, 0, -6, 7, 10, 2, -1, -1], [22, -3, -3, -2, 14, -3, 0, -12, -8, -3], [4, 10, 2, -4, -4, -3, 1, -1, 0, -1], [2, -13, -2, 0, 1, 2, -8, -10, 4, -2], [-2, 9, 1, 1, -8, -5, -6, 2, -3, -8], [12, -4, -4, 0, 3, -2, -4, -2, -8, 4], [21, 1, -6, 4, 3, -7, -5, -1, -5, 2], [22, 0, -2, -1, 2, -5, -3, 0, 1, 2], [-1, 3, -1, -1, 4, -3, 0, -1, -2, 7], [11, -1, 3, 1, 4, -11, -6, -1, -4, 5], [13, -3, -3, 4, 3, 1, 5, 0, -6, -3], [7, 6, -1, -2, 2, -3, 2, -5, -5, -6], [10, -2, 3, 1, -1, 5, 0, -4, -1, -4], [0, 3, 8, -3, -4, 4, 8, 4, 3, 3], [7, 5, 5, -1, -8, 10, -2, 2, 1, -5], [8, -5, -1, -4, -4, 9, -4, 0, 2, -3], [-10, -3, -3, 0, 1, -1, -8, -10, -2, 3], [19, 1, 2, 2, 3, 3, -5, -3, -7, -6], [-2, 5, -3, 0, -3, 4, 6, 5, 3, 5], [-22, -9, -3, 4, 1, 1, -6, -8, 0, -5], [-6, -5, -2, -5, 9, -5, -11, -8, -1, 8], [-1, 2, -2, -3, -9, 11, -1, 5, 6, 3], [-1, 2, 3, -5, -9, 9, 10, 7, 2, -9], [7, 7, 1, -5, 2, 1, -2, -3, 4, 3], [-3, -4, -1, 0, -2, 1, -10, -1, 7, 8], [-26, 2, -2, 5, 2, -10, -6, 10, -5, 1], [-5, -5, -1, 6, -1, 1, 11, 6, -4, -5], [16, -3, 0, -1, 0, -5, -5, -5, -3, 4], [-2, 7, -3, -5, -11, 2, -3, 0, 7, -3], [12, 1, -1, 0, 11, -2, 1, -4, 2, 4], [-3, -6, 2, -3, 9, -2, -6, 0, 6, 6], [-2, 0, 5, 1, 5, -3, 8, 0, -7, 0], [22, 6, 8, 0, -4, 7, 5, 2, 8, -1], [6, 7, 1, -3, -6, 7, 9, 3, 6, -9], [10, -1, 3, 2, -1, 2, 5, -6, -4, 4], [-8, -1, -3, 1, -3, -5, 8, 2, 7, 4], [5, -8, -6, 2, 8, -8, 0, 2, 1, 7], [-12, -8, -5, 8, -2, -4, -7, 4, 6, 2], [10, -11, 0, -2, 9, 1, 1, -4, 2, 11], [-23, -6, -4, 9, 3, -7, 1, -6, 2, 3], [19, 9, 5, -6, -11, 12, 3, 3, 3, -5], [-10, 7, -2, 0, -12, 7, 13, 14, 6, -3], [-7, 9, -3, -2, -3, -1, 0, 0, -3, -6], [1, -7, -5, -3, 2, 1, -4, -3, -2, 1], [-3, 1, 3, -6, -7, 2, 5, -1, 7, -3], [7, -7, -1, -2, -4, 12, 1, 1, 0, 5], [13, -10, -3, -4, 4, 6, -5, -9, -5, -3], [-2, 6, 0, -6, 0, 7, 0, 3, 9, -2], [-1, 4, 2, -4, 0, -3, -3, 3, 13, 8], [0, 6, -4, -2, 0, -7, 1, 0, -2, -1], [-2, -5, -5, 1, -2, -5, -18, 0, -1, -4], [14, -6, -2, 0, 5, -11, -5, -7, -7, 3], [-8, -8, 1, 5, 7, 1, 0, 2, -7, -8], [16, 4, 8, -1, -13, 16, 7, 9, 0, -12], [6, 4, 6, 3, -1, 11, 3, 12, 3, 2], [3, 4, 4, -2, -4, 11, 11, 9, 5, -2], [15, -3, -1, -3, -11, 8, 5, 7, 14, 4], [8, -4, -2, -3, 8, 1, 3, 0, 3, 6], [2, -4, -1, 1, 1, -1, -8, -6, -3, -4], [30, 5, 1, -3, -1, 3, 8, 6, 3, 2], [-13, -1, -3, -6, 5, -5, -7, -6, -2, -5], [10, 8, 3, -2, -8, 7, 8, 8, 8, -3], [9, 15, 6, 0, -5, 3, -1, 10, -3, -6], [8, 5, 1, 4, -6, -4, -5, 0, -7, -4], [-22, 5, -5, 3, -6, 4, -5, 6, -1, -7], [-20, 6, 0, 5, 1, -4, 0, 4, 9, 5], [15, -7, -1, 0, -1, 1, 3, 0, -4, -5], [10, -2, 3, -1, 5, 7, 3, 7, -6, -3], [-5, 13, 1, -3, -2, 2, -4, 2, 3, 1], [-16, 6, -4, -3, 2, -7, -11, -2, -3, -4], [15, 3, 1, 0, -5, 14, 9, 13, 1, 1], [25, 10, 4, -8, -1, 9, 11, 5, 1, -6], [-2, 7, 6, 0, 0, 1, -5, -6, 0, -1], [-9, -8, 3, 9, 3, -5, 2, -3, -4, 5], [-4, -1, -1, 0, -4, -2, 1, 8, 4, 2], [4, -7, 0, -5, -6, 6, -6, -4, 7, 3], [20, 0, 2, 1, -5, -2, -4, 4, -1, -1], [0, -1, 1, -1, 0, -12, -11, -2, 1, 5], [0, -2, 2, -2, 2, 0, 10, -7, 4, 6], [-20, 11, 0, 2, 5, -12, -8, 0, -2, 2], [-3, -3, -2, 0, 14, -6, -2, -5, -7, -5], [7, 4, 4, 0, -6, 8, 0, 3, 9, 3], [7, 13, -5, -7, -10, 10, 3, 9, 2, -12], [12, -7, -1, -4, 1, 2, -9, -4, -4, 6], [24, -9, 3, 4, -7, 3, 0, 4, 4, -3], [30, -12, 0, 1, 11, 6, -7, -7, -4, -2], [-3, -1, -1, 3, 6, 0, -9, -9, 0, 4], [-2, -2, 4, 4, 2, -3, 7, -4, -6, 1], [19, 1, 3, 1, -6, 1, 4, 3, -2, -3], [-8, -3, 0, 1, 6, -9, -17, -12, -5, 2], [-5, 3, 5, -1, 7, -5, -1, -4, -10, -6], [2, 7, 1, 4, -3, -3, 4, 10, -2, -5], [6, -2, 0, -4, 2, 6, 8, 5, -4, 2], [9, 5, -1, 8, 1, -5, 5, 4, -4, 3], [-22, -9, -4, -1, 10, 1, -3, -4, 1, 8], [-9, -5, -3, 0, -1, -5, 1, -10, 6, 1], [12, -13, -3, 7, 10, -8, 1, -6, -4, 9], [-8, 6, -2, -4, -1, -6, 0, -4, 6, 0], [-11, 0, -8, 5, -3, -7, -1, -8, 4, 5], [17, 10, -3, 2, -2, 0, 1, 6, -5, -7], [4, -8, 0, 0, 4, 0, -4, -2, -4, -4], [-24, 4, -1, -3, -3, -3, 2, 8, 3, 4], [-10, -9, 0, 4, 9, -1, 3, 4, -6, -1], [-1, -11, -4, 0, 3, 6, -1, 2, -6, -2], [2, -2, -2, 2, 7, -5, -3, -6, -4, 9], [-13, 5, 7, -2, -1, 1, 0, 9, 1, -2], [11, -10, -5, 3, -1, -7, -1, -2, -3, 8], [-6, 4, 4, 2, -2, -5, 9, 2, 4, 3], [-7, 8, 0, -1, -1, -5, 11, 9, 6, 5], [-5, 3, 4, 5, 12, -10, 6, 7, -6, -2], [-3, 2, 4, -2, -1, 11, 5, -5, 2, -8], [0, 11, 3, -13, -4, 10, 3, 6, 3, 3], [20, -2, 4, 1, 11, 0, 0, -13, -5, -1], [8, 5, -7, 4, -1, -4, -4, 9, 3, 5], [6, 5, -2, 0, -5, 8, -4, 10, 2, -2], [-12, 5, 3, 4, 7, 1, -6, -2, -6, -3], [-11, 1, 5, 0, 7, 1, 9, -4, -6, -3], [0, -7, 1, 5, 2, -8, 3, -10, -9, 7], [-12, -1, -1, 3, -14, -4, -3, 6, 3, -1], [13, -1, 5, -1, 4, -3, 4, -7, 6, -1], [-4, -14, -6, 2, 6, -6, -9, -3, -1, 11], [11, -6, -2, 6, 6, -14, -6, -9, -3, -5], [-1, 16, 7, -6, -8, 5, 8, 5, 7, 10], [-1, 10, 4, 2, -16, 5, 1, 3, -1, -4], [-22, 14, 5, -9, -15, 14, 9, 14, 11, 1], [0, -13, -5, -1, -7, -1, -12, -12, -1, 2], [3, 0, 6, -4, -4, 10, 7, 6, 10, 4], [28, -17, 3, 6, 21, -12, -9, -10, -10, 12], [-25, 7, -3, 3, -7, -8, -3, -5, 0, -4], [-23, 0, -6, 2, -7, 1, 7, 3, -6, -12], [-6, -4, -10, -1, 7, -8, -15, -9, 4, 8], [-6, 7, 3, -2, -11, 2, 7, 6, 6, -2], [-5, 7, 1, -5, 4, 5, 9, 10, 3, 2], [-2, -1, -3, 2, 15, -14, -5, -12, -15, -10], [5, -7, -1, 2, 13, -9, -6, -3, -13, 14], [0, 6, -1, 2, 4, -7, 2, -3, -6, -7], [20, 5, 5, -3, 1, -2, 11, -2, 7, 3], [-11, 3, -1, 2, -9, 10, -1, 7, -1, -9], [-16, 3, -4, -6, -9, 1, -2, -11, 11, -2], [13, -7, -1, -6, -1, 15, 6, 1, 1, 2], [-20, 12, 6, -2, -4, 0, 8, 1, 8, -4], [-20, 0, 0, 1, -7, 2, -4, 6, -3, -7], [6, -2, 2, 3, 10, -2, 2, 2, 1, 5], [11, 6, -2, 1, 3, 11, 5, 3, -4, 3], [17, -8, -1, 3, 9, 0, -11, -5, 10, 4], [-8, 5, 0, -8, -1, -3, -1, -6, 4, 5], [-6, -7, -5, -3, 8, 1, -3, -5, -2, -1], [-17, 3, 1, -1, -14, 5, 1, 4, 9, -2], [-9, 7, -1, 4, -9, 7, 0, -3, 1, -4], [10, -9, 3, -4, 9, 3, 6, 4, -8, 3], [-7, 11, -3, -2, 4, -9, 6, -1, 5, 10], [16, 0, 1, -1, -1, 10, 13, 5, -13, -1], [2, 2, -5, 2, 6, -6, 8, -1, -9, 5], [34, -6, 2, -2, -15, 16, 8, 10, 16, 4], [-20, 15, 0, -10, -17, 4, 7, 5, 3, -5], [-6, -3, 1, -1, -10, 18, 7, 9, 11, -13], [-15, 10, 6, 1, 0, 2, 10, -3, 7, -4], [-15, -12, 0, -5, 5, 0, -4, -7, 8, 4], [-3, 1, 5, 1, 2, -3, -10, 1, 6, 11], [-36, -16, -6, 9, 3, -2, -18, -6, -1, 1], [-13, 5, -5, 7, 5, -14, -7, -1, -4, -2], [-6, -9, 1, -3, 4, -3, -5, -5, 6, -3], [-31, -5, -1, -2, -9, 7, -2, -1, 1, -2], [-7, -9, -5, -2, 8, -11, 0, 3, -1, 6], [-5, 1, 4, 3, -18, 3, -9, 3, 6, 1], [-17, 4, -5, 5, -5, -6, -10, 10, -1, -7], [14, -3, 1, 5, 0, 9, 14, 0, -3, -6], [-7, 2, 2, -3, 0, 3, -12, -10, -6, 0], [-20, 5, 1, 0, -5, 13, 14, 1, 4, -5], [-3, -6, 0, 3, 3, 6, 14, -5, 2, 2], [4, 3, 1, 7, 5, -10, -7, 0, 0, 7], [-17, 0, -2, -2, -10, 10, 0, 3, 0, -5], [34, 5, 4, -8, -13, 13, 5, -3, 16, 5], [-6, 9, 1, -8, -15, 9, 8, 4, 3, -7], [-9, -4, -2, -3, 6, -9, -3, -5, -6, -5], [-20, -9, -5, 8, 8, -18, -19, 0, -5, 6], [-12, -12, -6, 4, 16, -20, 0, -15, -2, 12], [-5, 6, 8, -6, 0, 12, 13, 6, 2, 0], [5, 0, 2, -2, -4, -3, 11, -1, -5, 2], [3, 3, -3, -1, 13, -9, 10, -1, -14, 1], [29, -8, -2, 2, 3, 3, 7, 0, -6, -4], [-13, -8, -4, 0, 4, -5, -1, -9, -9, -8], [6, 4, 0, -2, -6, 18, 14, 3, 4, -2], [-25, -4, -6, -1, 9, -12, -10, -13, -8, 0], [6, -12, -2, 2, 5, 8, -14, -8, -1, 8], [-1, 4, 2, 5, 9, -14, 4, 0, -2, 2], [1, -7, -1, -3, 8, 3, 2, -1, -2, 9], [11, -8, 8, 0, 5, 3, 7, -3, -3, -2], [-23, -3, 5, 5, 8, 1, 14, -1, -6, -9], [10, -12, -4, 0, 2, 0, -10, -6, 4, 2], [-1, 17, 5, -4, -6, 4, 3, -3, 2, 5], [-1, -14, -9, 8, 4, -12, -19, -13, -13, -5], [13, 9, 3, -3, 8, -3, 12, 11, 2, 3], [10, -7, -1, 6, 8, -2, -8, 1, -2, -9], [7, 6, -2, -5, -3, 7, 15, 9, 2, -7], [7, 7, -3, -5, 3, 0, 7, -5, -8, -6], [11, -11, -2, 7, 2, -2, 0, 7, 4, -8], [-5, -2, -5, -6, -12, 20, 7, 5, 1, -13], [-26, 1, 2, -3, -2, -2, 0, 6, 3, -1], [11, -1, 3, 8, 9, -3, -14, -11, 3, 8], [-9, -14, -8, -2, 0, 3, -21, -11, 5, 10], [-5, 10, -4, 2, -10, -2, 14, 5, 9, -3], [4, 4, 6, -2, -9, 4, -2, -4, -9, -8], [-28, -4, -7, 3, -11, 2, -15, 0, 7, -1], [-13, 0, -2, 3, 7, -6, 0, -5, -6, -10], [10, -4, 0, 10, 15, -8, 1, 3, -10, -1], [9, -7, 3, -4, 6, 11, 3, 0, -1, -7], [-23, 5, -6, -2, 1, -5, 3, 2, 7, 12], [-18, -8, -4, 2, -2, -3, -12, -3, -13, -12], [-3, -18, -7, -1, -5, 1, -4, -1, 2, 5], [-8, -1, -3, 6, 7, -2, 7, 2, -6, -8], [-31, 8, -1, -4, -4, 1, -11, 6, 6, 5], [-16, 7, 1, -6, 5, 4, 13, -2, 0, -6], [-27, -10, -2, -8, 2, 0, 0, -5, -5, 1], [1, 5, 0, -2, -3, 11, 5, 7, -5, 0], [-23, 8, -2, 1, 1, 2, 3, -2, -1, -5], [23, 13, 3, -7, -8, 3, 14, 3, -8, -7], [4, -3, 2, 0, 5, 4, -4, -4, -8, 4], [-10, 4, -6, -2, -1, 1, -3, 2, 6, -1], [-12, 5, 3, 2, 4, -8, -3, 4, -6, -8], [12, -4, 0, -5, 1, 6, -2, -4, 9, 9], [-3, -5, 4, -6, -5, 5, -3, -1, 9, -4]];
    aps := ConvertToHeckeField(raw_aps);
    chi := MakeCharacter_6018_a_Hecke(Universe(aps));
    return ExtendMultiplicatively(weight, aps, chi);
end function;


// To make the newform (type ModFrm), type "MakeNewformModFrm_6018_2_a_y();".
// This may take a long time!  To see verbose output, uncomment the SetVerbose lines below.
// The precision argument determines an initial guess on how many Fourier coefficients to use.
// This guess is increased enough to uniquely determine the newform.
function MakeNewformModFrm_6018_2_a_y(:prec:=10)
    chi := MakeCharacter_6018_a();
    f_vec := qexpCoeffs();
    Kf := Universe(f_vec);
    // SetVerbose("ModularForms", true);
    // SetVerbose("ModularSymbols", true);
    S := CuspidalSubspace(ModularForms(chi, 2));
    S := BaseChange(S, Kf);
    maxprec := NextPrime(2999) - 1;
    while true do
        trunc_vec := Vector(Kf, [0] cat [f_vec[i]: i in [1..prec]]);
        B := Basis(S, prec + 1);
        S_basismat := Matrix([AbsEltseq(g): g in B]);
        if Rank(S_basismat) eq Min(NumberOfRows(S_basismat), NumberOfColumns(S_basismat)) then
            S_basismat := ChangeRing(S_basismat,Kf);
            f_lincom := Solution(S_basismat,trunc_vec);
            f := &+[f_lincom[i]*Basis(S)[i] : i in [1..#Basis(S)]];
            return f;
        end if;
        error if prec eq maxprec, "Unable to distinguish newform within newspace";
        prec := Min(Ceiling(1.25 * prec), maxprec);
    end while;
end function;


// To make the Hecke irreducible modular symbols subspace (type ModSym)
// containing the newform, type "MakeNewformModSym_6018_2_a_y();".
// This may take a long time!  To see verbose output, uncomment the SetVerbose line below.
// The default sign is -1.  You can change this with the optional parameter "sign".
function MakeNewformModSym_6018_2_a_y( : sign := -1)
    R<x> := PolynomialRing(Rationals());
    chi := MakeCharacter_6018_a();
    // SetVerbose("ModularSymbols", true);
    Snew := NewSubspace(CuspidalSubspace(ModularSymbols(chi,2,sign)));
    Vf := Kernel([<5,R![-104, 186, 930, -1135, -1296, 433, 356, -53, -33, 2, 1]>,<7,R![-8, 100, 298, -1035, 85, 820, 19, -153, -20, 6, 1]>],Snew);
    return Vf;
end function;