
// Make newform 4030.2.a.m in Magma, downloaded from the LMFDB on 19 April 2024.
// To make the character of type GrpDrchElt, type "MakeCharacter_4030_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_4030_2_a_m();".
// 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_4030_2_a_m();".
// 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 := [81, 45, -162, -85, 79, 31, -15, -3, 1];
        Kf := NumberField(Polynomial([elt : elt in poly]));
        AssignNames(~Kf, ["nu"]);
    end if;
    Rf_num := [[1, 0, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, 0, 0, 0], [267, 662, -106, -447, 50, 63, -8, -1], [-387, 1320, 554, -1373, -380, 327, 54, -23], [1629, -378, -2311, 235, 727, -105, -66, 13], [1353, -610, -2406, 503, 886, -177, -86, 19], [-309, -21, 511, -37, -191, 31, 19, -4], [-4023, 1470, 7784, -1541, -3188, 669, 336, -77]];
    Rf_basisdens := [1, 1, 102, 306, 153, 102, 17, 306];
    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_4030_a();"
function MakeCharacter_4030_a()
    N := 4030;
    order := 1;
    char_gens := [807, 1861, 2731];
    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_4030_a_Hecke(Kf)
    return MakeCharacter_4030_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], [1, -1, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 0, 0], [1, 0, -1, 0, 0, 0, 0, 0], [1, 0, 0, -1, 0, 1, 0, 0], [1, 0, 0, 0, 0, 0, 0, 0], [3, 0, -1, 0, 1, 0, -1, 0], [-1, -1, 0, 0, 1, 1, 1, 0], [1, -1, 0, 1, 0, 0, 1, 0], [3, 0, 1, -1, 0, 0, 0, 1], [1, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, -2, 0, 0, 0, -1], [-3, 0, 0, 2, -2, 0, 1, -2], [1, 1, 2, 1, -1, 0, 1, -1], [1, 2, 1, 0, 1, 1, 1, 1], [-1, -2, 0, 1, -1, -2, 2, -3], [-5, 1, 0, 1, -3, 0, 1, -2], [-3, 1, 3, 3, -1, 1, 2, 0], [-2, 2, 2, -2, -1, 0, 0, 2], [2, 0, -3, -1, 1, -2, 0, 0], [0, 1, 0, 2, -1, 0, 1, -2], [-1, -2, 2, -1, 0, 1, 0, 0], [1, -2, 1, 2, -3, -1, 1, -1], [-1, 0, 2, -1, 3, 2, 0, 4], [1, -1, -1, 0, -2, 1, -2, -1], [1, 1, 0, 2, -1, -3, 0, 1], [4, -1, 0, -1, 3, 0, 2, -1], [-1, 2, 3, 0, -2, 2, 1, 0], [2, -1, 2, -1, -2, -1, -2, 1], [-1, 0, 2, -1, 2, 1, -2, 2], [-3, 0, 1, 0, -1, -1, -2, 0], [-1, -3, 2, 2, 0, 2, 4, -2], [7, 3, 2, -1, 0, 3, -1, 2], [1, 0, -2, -2, 4, -2, 0, 1], [11, -3, -1, -3, 1, -2, 0, -1], [-2, 0, -2, -4, 1, -1, 0, 0], [-3, 1, 3, 1, -3, 0, -1, 1], [1, 3, 2, -1, 2, 4, -1, 5], [5, 1, -2, 0, 0, -1, -2, 1], [8, -2, -3, -1, 0, -3, 0, -2], [4, -2, -3, -2, 0, -3, -3, -3], [-14, 0, 2, 5, -3, 2, 3, -3], [1, 3, -1, -2, 2, -2, -2, 2], [-1, 0, 3, 1, -1, 3, 2, 2], [3, 4, -1, 0, -2, 0, -1, 2], [-4, 0, -1, 1, 1, -2, 2, 0], [-4, -3, -2, -1, 1, -2, -2, -3], [-5, 3, 2, 1, -2, -1, -1, -2], [1, -1, 1, -1, -2, 3, 2, -3], [0, 5, -1, -2, 0, -1, -4, 2], [1, 0, 1, 0, -4, 2, 2, -1], [6, -3, -2, -2, 5, 1, -4, 2], [-4, 2, -4, 4, -4, -1, 0, -2], [6, 0, -4, 1, -1, 2, 0, 0], [7, 1, 1, 2, 2, 1, 1, -2], [5, 8, 3, 1, -2, 0, 0, 1], [-2, -1, 2, 6, -3, 1, -1, 0], [-12, 0, -4, 1, -1, -5, -2, -3], [10, 0, -1, -1, 4, 3, 2, 3], [-2, 6, 2, 5, -4, -1, 1, -2], [12, 2, -1, -4, 1, 4, -2, 6], [-9, 5, -3, -2, -2, -1, -3, 0], [-1, 1, -1, 4, 3, -3, -1, 2], [-1, 3, 1, 3, 4, 0, 2, 1], [-5, 2, 0, -2, 0, -4, -1, -4], [4, -1, -2, -4, 1, -3, -1, -1], [-12, 6, 1, 6, -5, 1, 3, -6], [1, -1, -5, -4, 5, 0, -1, -2], [11, 0, -3, -2, 8, -2, -4, 5], [-5, 2, 1, 2, -6, -2, 1, -4], [5, 1, 4, -2, 5, 5, 4, 3], [-3, 5, 1, -1, 3, 0, -2, 4], [9, 3, -1, -2, 1, 0, 0, 2], [4, -1, 0, 1, -3, -7, 0, -3], [13, 2, 1, 0, 2, 4, 0, 2], [1, 9, -4, 1, -5, 0, -5, 1], [12, 0, 0, -5, 0, 4, -1, 1], [-1, 7, 4, 1, -2, 0, 1, 5], [-4, 2, -2, 4, -1, -1, 3, -2], [3, 0, 2, 1, -2, 6, -4, 1], [5, -7, -1, 5, 1, 3, 4, -1], [-5, -3, 4, -5, 2, 2, 2, 4], [7, 5, 6, -1, -3, -2, 1, -1], [3, -2, 1, -1, -2, 0, -3, 3], [-8, -3, 1, 6, -2, 3, 4, -1], [13, 0, -1, -4, 2, -1, -6, 4], [3, 5, -1, 1, -6, 0, -3, -1], [12, 3, -5, 3, -2, -2, 3, 0], [4, 3, -3, -3, -1, -5, -5, 3], [2, 1, -3, 4, -2, -1, 0, -8], [8, 0, 3, 3, -2, -4, 0, -3], [9, 5, -2, -7, 3, 3, -7, 8], [-10, -6, -1, 0, -3, -4, 5, -3], [1, 0, 4, 6, -4, -4, 1, -1], [1, -3, 1, 3, 4, -3, 0, 5], [6, -5, -3, -2, 0, 1, 6, -2], [8, -3, -7, 0, 1, -2, 0, -3], [3, 0, -7, -1, 8, 0, -2, -1], [1, -5, -3, 7, 0, -4, 0, -4], [-16, 8, 1, 1, -2, 0, -2, 1], [9, -6, -6, 0, 4, 0, 3, 1], [7, -2, 0, -1, -3, -2, 4, -8], [2, 1, -4, -10, 5, 1, -1, -1], [7, -1, -6, -1, 2, 0, -1, -1], [7, -6, 6, -5, 6, -1, 2, 2], [7, 5, -3, 2, -1, -1, -3, 3], [0, 0, 2, -3, -2, 3, 3, -1], [3, -10, -7, -2, 5, -1, -2, 1], [-6, -7, -3, 2, 3, -4, 0, -2], [4, -6, -4, 3, 0, -3, 1, -2], [0, -3, 5, -4, 4, 1, -2, 4], [11, -2, -4, 0, 6, -4, -3, 3], [19, -5, -7, -3, 3, -2, -4, -1], [-18, 8, 1, -1, -2, 0, -2, 4], [-14, 3, -4, 6, -4, 2, 2, -3], [-7, 7, 5, -8, 6, 4, -5, 9], [-8, -4, -2, -4, 4, -1, -5, 2], [6, -2, 0, -6, -1, -1, -4, 5], [4, -4, 6, -3, 8, 7, 3, 6], [-7, 9, 1, -2, -4, 5, -3, 4], [7, 2, 1, -4, 9, 4, 0, 8], [12, -1, -6, -5, 1, 7, 0, 3], [-9, 5, 1, 4, 2, 4, 7, -1], [-11, -1, 7, 10, -4, 3, 5, -4], [-3, 0, -5, -2, -4, -3, -2, -3], [12, 2, 6, -3, -5, 1, 1, 0], [-12, 8, 4, 8, -3, 2, 4, -6], [-1, -3, -3, -6, 1, -4, 3, -7], [-13, 1, -3, 9, -6, -6, 2, -10], [-2, -7, -1, -7, 3, 2, -1, 2], [-20, -5, 1, 3, -2, -3, -5, -1], [7, -3, 2, 1, 0, -4, 3, -5], [-5, -1, -4, 3, 5, 2, 2, -6], [19, 4, -2, -10, 1, 5, -7, 3], [-6, 2, 1, -5, 2, -2, 0, 3], [2, -12, 7, -3, 5, 3, 2, 3], [-5, 3, -3, -3, 6, -1, -3, 2], [7, 0, 0, -5, 5, 1, 1, -5], [3, 0, 6, 10, -5, 2, 5, -2], [8, 5, 4, 5, 0, 1, 0, 4], [-2, -6, 2, -3, 1, -2, -5, 1], [4, 6, 0, -3, 2, 1, -5, -2], [-10, -3, 2, 5, 0, 1, 4, 3], [8, -6, 7, 0, 4, 0, 7, -2], [-6, 6, -2, -1, -2, -9, -4, 3], [-6, 0, -2, -2, 5, -5, -8, 3], [-7, -6, 1, 11, -5, -5, 3, -7], [-1, -5, 4, 8, -6, 1, 0, -1], [-2, 5, -5, -2, -2, -5, -8, 3], [-15, -10, 1, 5, 0, -3, 7, -5], [-13, 5, 3, 5, 0, -1, 6, -5], [-10, -3, -2, 6, -9, -4, 3, -6], [-4, 2, -2, 3, 2, -3, 3, 0], [10, 10, 2, 1, 4, 3, -3, 6], [8, 8, -1, 0, 2, 1, -1, 1], [-2, 6, 1, 0, -5, 7, 5, 2], [2, -2, -4, -1, 2, 3, -7, 7], [-4, -2, -9, 0, 6, -2, -2, 0], [11, 10, 2, -3, -3, 2, -4, 3], [2, 6, 2, 10, -7, -6, 2, -2], [5, 7, 2, -3, 7, 10, -7, 11], [1, 5, 0, 4, -2, -8, 1, 1], [5, -7, 3, 5, -3, -7, -2, 1], [2, -9, 2, 1, 0, 7, 0, -2], [3, -3, -7, -3, 12, 2, -4, 5], [-7, 0, -4, -2, -2, -4, -5, 6], [-22, 13, 5, 9, 1, 3, 5, 1], [-15, 0, 2, -2, -4, -2, 8, -1], [-16, -1, -13, 7, -2, -11, -4, -10], [5, 1, -1, 3, -2, -5, 4, -5], [-12, -2, 8, 3, -4, -2, 5, -1], [-13, 0, 2, -3, -5, 3, 2, -2], [-14, 10, 5, 3, -3, -2, 4, 1], [-18, 1, 8, -3, -3, 1, -1, 7], [-4, 7, -6, -2, 3, 1, -4, 0], [-4, -1, -7, -9, 8, -4, -3, -8], [10, -8, -8, -5, 1, -5, -7, -4], [2, 5, -6, -7, 0, 3, -3, -5], [13, 1, -7, 6, -2, -2, 5, -7], [13, 6, -4, -11, 2, 3, -8, 9], [-21, -7, -3, -10, 11, 6, -2, 4], [10, -6, 1, -10, 2, 4, -9, 5], [-5, 3, 5, -3, -3, -6, -6, -3], [16, 0, 5, -6, 5, 9, 1, 10], [6, -5, -7, -1, 3, -5, 2, -2], [-16, 9, 0, 3, -6, 1, -2, 3], [2, -3, -5, -2, 3, 2, 1, 0], [0, -6, 4, -1, 5, 4, 3, -5], [20, -4, 2, -4, 1, 8, -3, 5], [-9, -5, 6, 3, -2, 1, -1, -2], [9, -4, -1, -1, 10, -2, -2, 3], [8, 0, -3, 1, 1, -6, -6, -6], [-17, 8, -9, -2, 4, -3, 1, -5], [-6, -5, -1, 3, 2, -5, 7, -7], [-19, 4, 8, 0, 2, 2, -4, 5], [19, 14, -3, -1, -1, 0, -1, 5], [10, 9, 11, -1, 6, 11, 1, 7], [-16, 3, 6, 4, -1, 6, 5, -2], [-3, 2, -10, -3, 8, -2, -4, 0], [-4, 2, 2, -4, 5, -2, -2, -2], [14, -1, 4, 1, 2, -1, 3, -5], [-17, -3, -7, -11, 6, 4, -6, 4], [12, 2, 1, -2, 3, 10, -5, 3], [-3, 2, 5, 6, 5, 3, 6, 9], [-4, -11, -1, 6, -4, -10, 4, -6], [-3, -6, 8, 3, 8, 1, 8, 2], [3, 12, -8, 0, -4, -4, -1, -6], [2, 5, 3, 4, 3, 2, -6, -1], [2, -2, 2, 9, 1, -8, 1, 7], [-22, 0, 3, -1, -4, -2, 0, 4], [19, 5, -10, -5, 3, -5, -6, -3], [12, 6, 1, -5, 6, 2, -3, 5], [-8, -3, -3, -5, 2, 4, -3, 6], [1, -8, -8, 2, 2, -8, -1, -6], [6, 8, 4, 9, -5, 2, 1, -2], [-5, 15, 0, -8, -2, -6, -8, 6], [-5, -2, 1, -2, 8, -1, -4, 2], [3, -3, 8, 5, 2, 6, 6, -2], [-3, -3, 3, 9, -6, -3, 4, -1], [6, -3, 6, 5, -3, -4, 4, -5], [-12, 1, 4, 6, 2, -4, 7, -3], [-11, 5, 0, -1, -2, -5, -7, 0], [-14, 0, -10, -1, -2, -11, -1, -10], [2, -5, -12, -4, 4, 0, -4, 1], [-11, 2, 12, -5, 5, -1, 5, 11], [2, -16, 1, -4, 2, -1, 5, -4], [-1, 1, 8, -2, -11, 2, 4, -4], [3, 9, 8, 1, -9, 6, 7, 3], [12, 10, -4, -7, 0, 3, -11, 13], [-11, -10, -1, 0, 5, 0, 1, 6], [21, -17, -11, -4, 5, -8, 3, -13], [-16, 1, -3, -4, -1, 1, -8, 2], [-5, 8, 3, -15, 6, 7, -7, 15], [24, 3, -7, -6, -1, 4, -2, -9], [-12, -7, 2, 9, -10, -3, 6, -12], [-1, 2, 10, 5, -16, 6, 8, -1], [28, 3, -7, 3, 4, 1, 5, -3], [-3, -16, -6, 3, 5, 2, 4, -1], [4, 0, -1, 1, 4, 6, -10, 10], [-11, 0, -13, 0, -1, -12, -4, -9], [8, 4, 0, -6, -3, 1, 2, -3], [14, 10, 0, 0, 2, -4, 0, 5], [-34, 5, -5, 4, 7, 3, 3, -5], [-7, 5, 4, -3, -6, 1, 5, -4], [37, -11, 1, 1, 9, 4, -4, 8], [1, 13, -3, -10, 0, 7, 0, 1], [-8, 0, 9, 2, -12, -3, 5, -4], [4, -5, -4, -3, 1, 8, 6, 5], [6, -1, -1, -5, -4, -2, 3, -2], [-22, 2, 0, -3, 6, -2, -1, -5], [1, 2, -4, -5, 12, -2, -10, 3], [51, -2, -3, 0, 4, 1, 4, 2], [14, 0, 4, -5, -1, 14, 3, 5], [9, -6, 5, -10, 6, 9, -12, 9], [-7, 1, 0, 4, -6, 5, -6, 1], [-2, 7, 8, 4, -7, -2, -4, -5], [12, -11, -1, 3, -4, -6, 5, -6], [17, -4, -4, -14, 11, -4, -11, 9], [2, 0, 1, -2, 2, 2, -3, 4], [-7, -7, 1, 3, 7, 5, 6, -4], [-36, 10, 7, -1, -2, 9, -4, 9], [-1, 0, 0, -2, -3, 8, -1, 0], [-17, -1, -4, 13, -6, 1, 3, -4], [-1, -7, 14, 14, -16, 3, 10, -6], [-23, 5, -2, -2, 3, -2, 2, -4], [-1, -4, -3, 7, -3, -2, 5, 6], [26, 4, 3, 6, -6, 1, -3, 3], [-14, 4, 9, -4, -5, -1, -1, 12], [-8, 10, 1, 1, -6, -9, -8, -5], [0, 8, -4, -7, 3, -5, -6, 9], [23, -1, 7, -7, 5, 2, 0, 4], [-17, -8, 12, -1, -7, -1, 1, -3], [4, 0, 4, -6, 0, -4, -4, 10], [-10, 3, -1, -8, -2, 10, 0, -3], [-7, -3, 10, 12, 0, -2, 6, -8], [11, 6, 3, -6, 18, 3, 1, 9], [11, -9, -13, -10, 0, -1, -5, -4], [-27, 6, 1, 1, -3, 4, 11, -2], [14, -6, -3, -1, 9, 8, -5, 13], [17, -6, 0, 10, -7, -5, 5, -5], [0, 9, 9, -1, -5, 3, 3, 1], [1, -9, 6, 8, -2, 7, 8, 3], [1, 2, -7, -1, -3, -6, -13, 0], [9, 1, 9, -6, -10, 13, 4, -1], [-6, -3, -5, 6, -2, -8, 6, -5], [11, 5, -6, -4, -1, -13, -14, -1], [24, -8, 12, 4, 10, 7, 6, 9], [-12, -13, 1, 3, -2, 2, 7, -10], [-2, 0, 0, 1, -6, -1, 7, 4], [-38, 2, 9, -6, -6, 2, -7, 1], [-28, -14, -1, -2, 6, -2, 5, -13], [0, -3, -3, 3, 1, 1, -3, -2], [29, 7, -8, -4, 3, -5, -8, 11], [-14, -5, 9, -2, 4, 1, -8, 12], [5, -5, -15, -6, 7, -8, 1, -1], [23, 1, -9, -11, 13, -6, -5, 9], [7, -5, 4, 2, 14, 15, 12, 9], [15, -6, 0, 2, 10, 0, 1, 1], [7, 2, 14, -8, -2, 6, 0, 9], [3, -8, -1, 0, 1, -7, 8, -3], [10, 3, 5, -8, 5, 6, -2, 11], [0, -9, -6, -10, 8, 4, 1, -3], [14, -5, 4, 8, 6, 6, 7, 0], [1, -2, 7, 1, -9, 4, -7, 5], [-3, -1, 5, 10, -9, -1, 10, -3], [-8, -17, 1, 9, -6, -4, 5, -6], [19, -5, -20, -6, 9, -9, -2, 1], [0, -8, 2, 1, 1, -3, 5, -10], [-7, 2, 7, -2, 15, -6, 4, 5], [-7, 3, -5, -5, 0, -10, -11, 7], [-12, 8, -4, 8, -7, -3, -2, -12], [19, -5, 14, -9, 6, 13, 1, 6], [18, 1, -6, -3, 2, -7, -7, -5], [-27, 2, 12, 3, -4, -8, 8, -3], [28, -2, 0, -2, 6, 3, -4, -1], [-28, 1, 4, 5, 1, 7, 2, -4], [13, 14, -4, 5, 6, 3, -6, 6], [32, -12, 0, 2, 3, 3, 4, 1], [31, -22, -6, -6, -1, 6, 7, -6], [21, -6, 5, 2, -5, 5, -4, 4], [8, -3, 2, -14, 8, 8, -7, 13], [-16, 3, 9, 12, -5, 1, 6, 0], [-3, -2, 4, 5, -1, -4, 0, 1], [-35, -1, 15, 10, -11, 0, 9, -9], [2, -6, -13, 6, 10, -11, 0, -3], [-15, 8, 2, 1, -2, -3, -6, 0], [8, 0, -8, 10, 4, -3, -7, -2], [-15, 7, 2, 1, 1, 12, 1, 9], [-8, -12, -13, 4, 6, -7, 4, -7], [-1, -6, -4, 0, -1, -1, 1, 3], [19, -8, 8, 2, 5, -5, 10, -8], [5, 1, 1, 4, 10, 4, -3, 14], [6, -3, -17, -4, -1, -8, -7, -4], [-15, 11, 7, 2, 1, 7, -5, 15], [-4, -6, 11, -10, 12, 7, -9, 8], [10, 4, -4, -1, 0, -3, -9, 4], [33, -3, -5, -7, 5, -5, -6, 7], [-4, -3, -1, 4, -12, -2, -6, -4], [14, -1, -3, -5, -2, 5, 1, -7], [-1, 6, -13, 13, -4, -7, -7, -8], [1, 1, 6, 13, -8, -9, 3, -4], [8, 15, 3, -7, 9, 9, 1, 9], [29, -1, 11, -3, -8, 4, 2, 4], [4, 3, 9, 9, 0, 1, 13, -3], [-25, -9, -4, 6, -7, -7, -6, -7], [-1, 7, 3, 6, 10, 2, -1, -1], [-11, 7, 8, 11, -13, 4, 5, -3], [-2, -8, 2, -6, 8, 8, 11, -1], [-9, -10, 5, -7, 0, 1, 1, 0], [-1, -14, 0, 7, 9, 2, 14, -12], [-7, 8, 6, 15, -3, -12, 6, 1], [-26, 8, 7, 8, -8, 8, 11, -5], [30, -12, -2, 0, 8, -12, -3, -1], [34, 10, -13, 0, 4, -2, -4, 0], [23, 4, -16, -6, 5, 1, -13, 1], [34, 5, -10, -11, 2, -2, -8, 4], [-14, 14, 8, -10, 3, 6, -10, 13], [-14, 16, 1, -3, -6, 9, 2, -1], [8, 3, 8, -10, 1, 15, 7, 10], [0, 4, 12, 3, 9, 6, 9, 8], [22, 1, -8, -4, 8, -6, -9, 0], [14, -1, 1, -1, 5, 9, -13, 11], [15, -4, 12, 0, 12, 3, -4, 2], [-39, 4, 11, 8, -16, 6, -4, -6], [12, -7, 12, 7, -1, 5, 4, -1], [5, 8, 5, 16, -13, -7, 3, 1], [-19, 18, -3, -3, 0, -5, 1, 1], [18, -6, -13, -6, -4, -3, -11, -6], [-23, -3, 12, 5, 3, -3, 8, -1], [7, -10, -4, -5, 12, -10, 2, -5], [-1, -1, -9, -1, 8, -2, -10, -4], [-15, 5, -4, 2, -3, -11, -6, -6], [18, -19, 4, -10, -5, -2, 1, 2], [24, 9, -8, 0, 1, -2, -13, -1], [-46, 14, 7, 15, -6, 4, 6, -10], [-26, 0, 0, 2, 0, -5, 4, 1], [2, 3, -2, 6, 0, -13, 1, -2], [-17, 12, 12, -15, -6, 1, -6, 12], [14, -11, 0, -10, 2, 11, -3, -2], [19, -13, -8, 10, 10, -8, 4, 4], [6, -2, 5, -5, 3, 6, -4, 2], [7, 3, 2, 11, -16, -16, 9, -15], [-10, 2, 21, 0, -4, 2, 5, 11], [20, -6, 3, -1, -1, -7, -4, 9], [1, -9, -2, 7, 6, 0, 7, 5], [-12, 10, 15, 2, -2, 6, -1, 13], [-20, 11, 10, 9, -2, -3, 4, -8], [2, -9, 1, 2, -5, -5, -10, 8], [11, 12, 9, -17, 16, 8, -7, 13], [-8, 9, 10, 2, -17, 6, 6, -1], [7, -25, 4, -11, 4, 1, 9, -8], [3, -11, 6, 7, -5, 8, 17, -12], [-33, 1, 10, 3, -10, -6, -5, -6], [-7, -19, 3, 14, -14, -9, 10, -13], [-38, 9, 2, -1, -2, 4, -2, 5], [20, -4, -4, -2, 12, -3, -10, 5], [-9, 4, -10, -4, 0, 0, 1, -7], [-16, 4, -8, -5, 12, 15, -3, 5], [-15, -4, 1, 1, -15, -8, -7, -9], [38, -25, -13, 10, 10, -7, 4, -14], [26, 2, -4, -16, 12, 1, -14, 5], [-10, 5, 9, 5, -16, 8, -5, -2], [-35, 21, -11, -2, -8, -5, -7, -3], [-5, -10, -8, 1, -6, -2, -7, -10], [-34, 13, 6, 12, 2, 0, 5, 6], [16, 17, -6, -7, 0, 0, -17, 14], [0, -5, 4, 0, -7, -7, 1, -11], [1, -9, -1, -5, -2, 0, 1, -13], [-13, 6, 16, 9, -13, 12, -4, 3], [-32, -1, 5, -2, -3, 2, 2, 3], [-7, 13, 9, 5, 1, 9, -7, 14], [-2, -12, -6, -7, -4, -6, -10, 4], [-29, 2, 6, 5, 4, -1, 6, 8], [-16, 8, 5, 2, -12, -5, 3, -5], [-4, -14, -16, 0, 12, -13, 2, -11], [19, 4, 8, -3, -8, -1, 4, -2], [2, 12, -13, 6, 3, 0, -5, 0], [-13, 4, 0, 10, -19, -6, 5, -8], [14, 11, -13, -26, 16, -7, -20, 14], [-1, -1, -1, -5, 4, 8, -6, 18], [-8, 0, 3, 5, -12, 4, 5, 1], [26, -7, -12, -8, 2, -6, -11, -3], [17, -6, -11, 8, 8, 3, 0, -10], [18, -19, -1, -1, 7, -4, 3, -2], [26, 0, 6, -10, 0, 11, 4, 12], [-12, 5, 5, -1, -1, -3, -10, 10], [-21, 21, -19, 0, -10, -2, -5, -5], [-42, 15, 2, 19, -9, -3, 15, -15], [-35, -6, -7, 2, 4, -3, 8, -2], [-14, 3, -4, -7, 7, -5, -2, -4]];
    aps := ConvertToHeckeField(raw_aps);
    chi := MakeCharacter_4030_a_Hecke(Universe(aps));
    return ExtendMultiplicatively(weight, aps, chi);
end function;


// To make the newform (type ModFrm), type "MakeNewformModFrm_4030_2_a_m();".
// 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_4030_2_a_m(:prec:=8)
    chi := MakeCharacter_4030_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_4030_2_a_m();".
// 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_4030_2_a_m( : sign := -1)
    R<x> := PolynomialRing(Rationals());
    chi := MakeCharacter_4030_a();
    // SetVerbose("ModularSymbols", true);
    Snew := NewSubspace(CuspidalSubspace(ModularSymbols(chi,2,sign)));
    Vf := Kernel([<3,R![-28, 166, 107, -192, -26, 66, -8, -5, 1]>],Snew);
    return Vf;
end function;