
// Make newform 380.2.f.a in Magma, downloaded from the LMFDB on 17 April 2024.
// To make the character of type GrpDrchElt, type "MakeCharacter_380_f();"
// To make the character of type GrpDrchElt with Codomain the HeckeField, type "MakeCharacter_380_f_Hecke();"
// To make the coeffs of the qexp of the newform in the Hecke field type "qexpCoeffs();"
// To make the newform (type ModFrm), type "MakeNewformModFrm_380_2_f_a();".
// 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_380_2_f_a();".
// 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 := [1024, 0, -256, 0, 64, 0, -144, 0, 80, 0, -24, 0, 20, 0, -9, 0, 1, 0, -1, 0, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 1024, 0, 192, 0, -272, 0, 160, 0, 144, 0, 72, 0, -19, 0, 11, 0, -3, 0, -1], [1280, 0, -1152, 0, 560, 0, -240, 0, 104, 0, -64, 0, 43, 0, -19, 0, 3, 0, 1, 0], [0, -1792, 0, 768, 0, -48, 0, 336, 0, -200, 0, 32, 0, -11, 0, 19, 0, -3, 0, -1], [0, -896, 0, 96, 0, -176, 0, 16, 0, -120, 0, 18, 0, -13, 0, 5, 0, 3, 0, -1], [0, -1024, 0, 768, 0, -160, 0, 8, 0, -156, 0, 66, 0, -23, 0, 7, 0, -3, 0, 1], [-256, 0, 128, 0, 144, 0, -112, 0, 40, 0, 8, 0, 13, 0, -5, 0, 5, 0, -1, 0], [0, -1664, 192, 864, 528, -176, 24, 16, 84, -120, -18, 18, 18, -13, 6, 5, 6, 3, 0, -1], [0, -4864, 0, 4608, 0, -880, 0, 656, 0, -168, 0, 96, 0, -119, 0, 31, 0, -15, 0, -5], [0, 1280, 0, -1536, 0, 1232, 0, -400, 0, 264, 0, -72, 0, 49, 0, -41, 0, 9, 0, -5], [0, 0, 0, 512, 0, -176, 0, 16, 0, -56, 0, 16, 0, 5, 0, 3, 0, -3, 0, -1], [0, 256, 0, -64, 0, 144, 0, -80, 0, 24, 0, -20, 0, 9, 0, -1, 0, 1, 0, -1], [2304, 1664, -1152, -864, -144, 176, -264, -16, 156, 120, -30, -18, 30, 13, -6, -5, -6, -3, 0, 1], [1280, 0, -1536, 0, 1232, 0, -400, 0, 264, 0, -72, 0, 49, 0, -41, 0, 9, 0, -5, 0], [-1024, 1664, 192, -864, -496, 176, 152, -16, -84, 120, 6, -18, 4, 13, 4, -5, 0, -3, -2, 1], [256, 0, -64, 0, 144, 0, -80, 0, 24, 0, -20, 0, 9, 0, -1, 0, 1, 0, -1, 0], [256, -1664, 0, 864, -464, -176, 136, 16, -156, -120, 102, 18, -16, -13, 8, 5, -12, 3, 2, -1], [-768, 3328, 1920, -1728, 240, 352, -96, -32, 96, 240, -60, -36, 57, 26, -33, -10, 9, -6, -9, 2], [0, -7936, 0, 2304, 0, 464, 0, -304, 0, -72, 0, -192, 0, 37, 0, -29, 0, 45, 0, -17]];
    Rf_basisdens := [1, 1, 1536, 512, 1024, 768, 768, 512, 768, 3072, 3072, 512, 512, 768, 1536, 768, 256, 768, 1536, 3072];
    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_380_f();"
function MakeCharacter_380_f()
    N := 380;
    order := 2;
    char_gens := [191, 77, 21];
    v := [1, 2, 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;

// To make the character of type GrpDrchElt with Codomain the HeckeField, type "MakeCharacter_380_f_Hecke();"
function MakeCharacter_380_f_Hecke(Kf)
    N := 380;
    order := 2;
    char_gens := [191, 77, 21];
    char_values := [[-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]];
    assert UnitGenerators(DirichletGroup(N)) eq char_gens;
    values := ConvertToHeckeField(char_values : pass_field := true, Kf := Kf); // the value of chi on the gens as elements in the Hecke field
    F := Universe(values);// the Hecke field
    chi := DirichletCharacterFromValuesOnUnitGenerators(DirichletGroup(N,F),values);
    return chi;
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 := [[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0], [0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 1, 1, 0, -1, -1, 0, 1], [0, 0, 0, 0, 0, 0, 1, 1, -1, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0], [1, 0, 0, 0, 0, 0, -1, 0, 1, 0, 1, 0, 0, 1, -1, -1, -1, 1, 0, -1], [0, -1, 2, 0, 0, -1, 1, 0, 0, -1, -1, 0, 2, 0, 0, 0, 0, 0, 0, 1], [0, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0], [0, -1, -1, 0, -1, 2, -1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, -1], [1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, -1, 0, 1, 1, 0, 0], [0, 0, 0, 0, 0, 0, -1, 0, 1, 0, 1, 0, 0, 0, 0, -1, -2, 0, 0, -1], [0, -1, 1, 0, 0, 2, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0], [-2, 0, 0, -1, 0, 0, -1, -1, 1, 0, 1, 0, 0, 0, 0, -1, 2, 2, 2, -1], [0, -1, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, -3, 0, 0, 0, 0, 0, 0, 1], [0, -1, 0, 0, 0, -1, 2, 0, 0, -2, 1, -1, -1, 0, 0, 0, 0, 0, 0, 1], [-2, 0, 0, 0, 0, 0, 1, 1, -1, 0, -1, 0, 0, 0, -2, -1, 2, -2, 0, 1], [0, -1, 0, 0, 0, 3, -2, 0, 0, 2, -1, -1, -1, 0, 0, 0, 0, 0, 0, -3], [0, 0, 0, 0, 0, 0, -1, 2, 1, 0, 1, 0, 0, 0, 2, 1, 2, 0, -2, -1], [0, 2, 0, 0, 0, 0, 1, 0, 0, 2, -1, -2, -2, 0, 0, 0, 0, 0, 0, 1], [0, 0, 1, 0, 2, -3, 1, 0, 0, -2, -1, -1, 1, 0, 0, 0, 0, 0, 0, 1], [1, 0, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 0, 1, 1, 0, -1, -1, 0, 1], [0, 0, 0, 0, 0, 0, 1, 0, 0, -1, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, -1, -1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 2], [0, 0, -1, 0, 1, -3, 0, 0, 0, -2, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0], [0, -1, 4, 0, -1, 1, 1, 0, 0, -1, -1, 2, 0, 0, 0, 0, 0, 0, 0, 1], [0, 1, 0, 0, 0, -1, 2, 0, 0, -1, -3, 0, 2, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 1, -3, -3, -3, 1, 2, 0], [1, 0, 0, 0, 0, 0, -1, -2, 2, 0, 1, 0, 0, 1, 3, 0, -1, 3, 2, -1], [0, 0, 0, 0, 0, 0, 2, 2, -1, 0, -2, 0, 0, 0, -2, 1, 0, 0, 2, 2], [0, 0, 0, -1, 0, 0, -1, 1, -1, 0, 1, 0, 0, -2, -4, -1, 4, 0, 0, -1], [0, 0, 0, 0, 0, 2, -1, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, -3], [-1, 0, 0, 0, 0, 0, -2, -1, 1, 0, 2, 0, 0, -1, 1, 1, -1, 3, 0, -2], [1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, -1, 0, 1, 1, 0, 0], [0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 2, 0, 2, 0, 0, 0, 0, 0, 0, -3], [0, -1, -4, 0, -1, 3, -3, 0, 0, 1, 3, 2, 0, 0, 0, 0, 0, 0, 0, -3], [0, -1, 0, 0, 0, 3, -1, 0, 0, 0, 0, -3, 1, 0, 0, 0, 0, 0, 0, -2], [0, 0, -2, 0, 0, -2, 1, 0, 0, 2, -1, -4, 4, 0, 0, 0, 0, 0, 0, 1], [2, 0, 0, 0, 0, 0, -2, 1, 3, 0, 2, 0, 0, 2, 0, 1, 2, 2, -2, -2], [0, 0, -1, 0, -2, -1, -1, 0, 0, -2, 1, 1, -1, 0, 0, 0, 0, 0, 0, -1], [3, 0, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, -1, -1, 1, -1, -1, -2, 0], [0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0], [0, -1, 0, 0, 0, -1, 1, 0, 0, 1, 3, 2, -4, 0, 0, 0, 0, 0, 0, -1], [0, -3, 0, 0, 0, 5, -5, 0, 0, 3, 0, -2, -4, 0, 0, 0, 0, 0, 0, -3], [0, 1, 0, 0, 0, 1, -2, 0, 0, 0, -4, -1, 3, 0, 0, 0, 0, 0, 0, 1], [-5, 0, 0, -3, 0, 0, -3, -2, 2, 0, 3, 0, 0, -1, 1, 0, 1, 5, 2, -3], [-1, 0, 0, -4, 0, 0, 2, -1, 1, 0, -2, 0, 0, 3, 3, -1, -1, -1, 2, 2], [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 1, -3, 0, -1, 1, 2, 1], [0, 3, 3, 0, 5, -4, 2, 0, 0, -3, -2, -1, -5, 0, 0, 0, 0, 0, 0, 2], [2, 0, 0, 0, 0, 0, 1, 0, 0, 0, -1, 0, 0, 2, -4, 0, 0, 2, 2, 1], [0, -4, -1, 0, -2, 1, -2, 0, 0, -2, 2, 3, 5, 0, 0, 0, 0, 0, 0, -2], [-1, 0, 0, 0, 0, 0, -2, -1, 0, 0, 2, 0, 0, -1, 1, -4, -5, -1, 0, -2], [0, -1, 5, 0, 3, 2, 1, 0, 0, -1, -1, 3, -1, 0, 0, 0, 0, 0, 0, 1], [0, 0, 0, 0, 0, 0, -1, -3, 2, 0, 1, 0, 0, 0, 2, 2, 2, 0, -2, -1], [5, 0, 0, 4, 0, 0, 2, 1, -1, 0, -2, 0, 0, 1, -1, -1, 1, -3, 0, 2], [0, -1, -1, 0, -3, 4, -2, 0, 0, 1, 2, 3, -1, 0, 0, 0, 0, 0, 0, -2], [0, 0, 0, 0, 0, 0, -1, 2, -1, 0, 1, 0, 0, 0, 0, -3, -2, 0, 0, -1], [0, -1, -5, 0, 0, 6, -3, 0, 0, 5, 3, 1, 1, 0, 0, 0, 0, 0, 0, -3], [0, 2, 0, 0, 0, 0, -1, 0, 0, 1, 5, 1, 3, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, -1, -1, -2, 0, 1, 0, 0, 0, 0, -4, -2, 0, 0, -1], [7, 0, 0, 0, 0, 0, 3, 0, 0, 0, -3, 0, 0, 3, 5, 2, -7, -3, -2, 3], [0, 2, -2, 0, -3, 2, -1, 0, 0, 2, 1, 0, -4, 0, 0, 0, 0, 0, 0, -1], [0, -3, 0, 0, 0, -1, -2, 0, 0, 1, 6, 2, -8, 0, 0, 0, 0, 0, 0, 2], [0, -3, 4, 0, -1, 1, 0, 0, 0, -3, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0], [1, 0, 0, 0, 0, 0, 0, 3, -4, 0, 0, 0, 0, 1, 1, -2, 5, 1, -2, 0], [-1, 0, 0, -2, 0, 0, 0, 1, -1, 0, 0, 0, 0, -1, -1, 1, -1, -1, -2, 0], [-3, 0, 0, -4, 0, 0, 1, 0, 0, 0, -1, 0, 0, 1, 3, 2, -5, -1, -2, 1], [0, 0, 0, 0, 0, 0, -3, 3, 2, 0, 3, 0, 0, 0, 0, -4, -6, 0, 0, -3], [-1, 0, 0, 0, 0, 0, -4, -5, 2, 0, 4, 0, 0, -1, 3, -4, -5, -1, -2, -4], [0, 3, -1, 0, 0, 2, 1, 0, 0, 5, -1, -3, -3, 0, 0, 0, 0, 0, 0, 1], [0, 3, 0, 0, 0, -1, 1, 0, 0, -3, -3, -2, 8, 0, 0, 0, 0, 0, 0, 3], [0, 4, 0, 0, 0, -6, 4, 0, 0, -3, 0, 3, 5, 0, 0, 0, 0, 0, 0, 5], [-1, 0, 0, 2, 0, 0, 2, -1, 1, 0, -2, 0, 0, 3, 3, -1, -1, -1, 2, 2], [6, 0, 0, 0, 0, 0, 4, 0, 0, 0, -4, 0, 0, 4, 4, 0, -4, -4, 0, 4], [0, -4, -2, 0, -6, 6, -4, 0, 0, 0, 4, 6, 2, 0, 0, 0, 0, 0, 0, -4], [0, -3, -5, 0, 1, 4, -3, 0, 0, 3, 3, 1, 5, 0, 0, 0, 0, 0, 0, -3], [1, 0, 0, 0, 0, 0, -2, -3, 3, 0, 2, 0, 0, 1, 1, 1, 1, 1, -2, -2], [0, 0, -3, 0, -1, -3, 1, 0, 0, 2, -1, -5, 5, 0, 0, 0, 0, 0, 0, 1], [0, 6, 0, 0, 0, 0, -1, 0, 0, 2, -3, 2, 10, 0, 0, 0, 0, 0, 0, -1], [0, 3, 6, 0, 1, -1, 1, 0, 0, -5, -1, 4, -10, 0, 0, 0, 0, 0, 0, 1], [0, -3, 0, 0, 0, -3, 2, 0, 0, -2, -7, 1, -7, 0, 0, 0, 0, 0, 0, 3], [1, 0, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 0, 1, -5, -2, -7, 1, 4, 0], [0, -1, 1, 0, 1, 6, -2, 0, 0, 1, 2, 5, -3, 0, 0, 0, 0, 0, 0, -2], [4, 0, 0, 0, 0, 0, 1, 3, -3, 0, -1, 0, 0, -2, -4, 1, 0, -4, -4, 1], [0, 0, 0, 2, 0, 0, -2, 0, 0, 0, 2, 0, 0, -2, 0, 2, -2, 2, -2, -2], [1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 2, 5, 1, -2, 0], [-1, 0, 0, 0, 0, 0, 0, -3, -4, 0, 0, 0, 0, -1, 1, -4, -1, -1, 0, 0], [0, 0, 0, 0, 0, 0, 2, 6, -5, 0, -2, 0, 0, 0, 0, -1, 4, 0, 0, 2], [0, 0, 0, 0, 0, 0, 3, 0, 0, -1, -1, -1, 1, 0, 0, 0, 0, 0, 0, -2], [2, 0, 0, 0, 0, 0, -1, 6, -2, 0, 1, 0, 0, 2, 0, -2, 4, 2, -2, -1], [2, 0, 0, 0, 0, 0, -4, 4, 5, 0, 4, 0, 0, 2, 0, -1, -2, 2, -2, -4], [1, 0, 0, 0, 0, 0, -1, 0, 7, 0, 1, 0, 0, 1, -1, 5, -1, 1, 0, -1], [0, 2, 4, 0, -2, -4, 2, 0, 0, -4, -2, 0, -4, 0, 0, 0, 0, 0, 0, 2], [0, -4, 4, 0, 2, -6, 1, 0, 0, -8, -1, 2, 6, 0, 0, 0, 0, 0, 0, 1], [0, -2, 0, 0, 0, 0, -1, 0, 0, 0, 2, 0, -4, 0, 0, 0, 0, 0, 0, 1], [-5, 0, 0, 1, 0, 0, -1, 0, 0, 0, 1, 0, 0, -1, -1, 0, 1, 1, 0, -1], [0, 3, 0, 0, 0, 1, -5, 0, 0, 3, -2, 2, 4, 0, 0, 0, 0, 0, 0, 1], [1, 0, 0, 6, 0, 0, -2, 1, -1, 0, 2, 0, 0, -3, -3, 1, 1, 1, -2, -2], [0, 1, 0, 0, 0, 3, -3, 0, 0, 1, -6, -2, 4, 0, 0, 0, 0, 0, 0, -1], [0, -1, -3, 0, -3, 2, 0, 0, 0, 5, 0, -3, 5, 0, 0, 0, 0, 0, 0, 0], [-4, 0, 0, 0, 0, 0, 4, 0, -5, 0, -4, 0, 0, -4, 4, 3, 4, -4, 0, 4], [-5, 0, 0, 2, 0, 0, 3, 0, 0, 0, -3, 0, 0, 3, 5, 2, -7, -3, -2, 3], [0, 0, 0, 0, 0, 0, 5, 4, -5, 0, -5, 0, 0, 0, -2, 3, 6, 0, 2, 5], [-14, 0, 0, -4, 0, 0, -4, 0, 0, 0, 4, 0, 0, -4, -2, 2, 0, 4, -2, -4], [0, -5, 0, 0, 0, 3, -2, 0, 0, -2, 3, -5, -5, 0, 0, 0, 0, 0, 0, 1], [0, 9, 3, 0, 5, -6, 4, 0, 0, -1, -4, -5, -13, 0, 0, 0, 0, 0, 0, 4], [0, 4, 0, 0, 0, 2, 0, 0, 0, -1, 0, -3, 11, 0, 0, 0, 0, 0, 0, -1], [-8, 0, 0, 2, 0, 0, -2, 0, 0, 0, 2, 0, 0, -2, -4, -2, 6, 2, 2, -2], [8, 0, 0, 4, 0, 0, 0, 2, -2, 0, 0, 0, 0, -2, -6, -2, 6, -2, 0, 0], [2, 0, 0, 0, 0, 0, 2, 0, -1, 0, -2, 0, 0, 2, -6, -1, -2, 2, 4, 2], [-2, 0, 0, 0, 0, 0, -2, 4, 1, 0, 2, 0, 0, -2, 2, -3, -6, -2, 0, -2], [0, -1, 3, 0, -3, -8, 4, 0, 0, -3, -4, -5, 7, 0, 0, 0, 0, 0, 0, 4], [-1, 0, 0, 0, 0, 0, 2, 3, 2, 0, -2, 0, 0, -1, -3, 2, -5, -1, 4, 2], [-6, 0, 0, 0, 0, 0, 2, -7, -2, 0, -2, 0, 0, -6, 8, 4, 2, -6, -2, 2], [4, 0, 0, -2, 0, 0, 2, 0, 0, 0, -2, 0, 0, 2, 4, 2, -6, -2, -2, 2], [0, 4, 0, 0, 0, -2, 4, 0, 0, 1, 5, 3, 5, 0, 0, 0, 0, 0, 0, -3], [0, 6, -1, 0, 9, -3, 1, 0, 0, 0, -1, -3, -9, 0, 0, 0, 0, 0, 0, 1], [0, 3, 0, 0, 1, -13, 4, 0, 0, -5, -4, -8, 2, 0, 0, 0, 0, 0, 0, 4], [0, -1, 1, 0, 0, 0, -1, 0, 0, -3, 1, 3, -1, 0, 0, 0, 0, 0, 0, -1], [0, -1, 0, 0, 0, 1, -1, 0, 0, 1, -10, 0, -2, 0, 0, 0, 0, 0, 0, -1], [-4, 0, 0, 0, 0, 0, 2, 0, 5, 0, -2, 0, 0, -4, 6, 11, 4, -4, -2, 2], [0, 0, 0, -3, 0, 0, -1, 1, -1, 0, 1, 0, 0, -2, -4, -1, 4, 0, 0, -1], [-11, 0, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 1, 3, 1, -3, 1, 0, 0], [0, 0, 0, 0, 0, 0, 1, 5, -6, 0, -1, 0, 0, 0, 2, -2, 6, 0, -2, 1], [-3, 0, 0, 0, 0, 0, -1, -8, 5, 0, 1, 0, 0, -3, 5, 5, -1, -3, -2, -1], [-5, 0, 0, 2, 0, 0, -2, -1, 1, 0, 2, 0, 0, -1, 3, 3, -5, 3, -2, -2], [-4, 0, 0, 0, 0, 0, -1, -8, -4, 0, 1, 0, 0, -4, 8, -2, 2, -4, -4, -1], [0, -3, 0, 0, 0, 5, -1, 0, 0, 3, -8, -2, -4, 0, 0, 0, 0, 0, 0, -7], [0, 0, 0, 0, 0, 2, -1, 0, 0, 0, -15, -2, 2, 0, 0, 0, 0, 0, 0, -1], [17, 0, 0, -6, 0, 0, 2, -3, 3, 0, -2, 0, 0, 5, 9, 1, -7, 1, 2, 2], [13, 0, 0, 3, 0, 0, -4, -1, 1, 0, 4, 0, 0, -3, -1, 1, 1, 5, 0, -4], [3, 0, 0, -7, 0, 0, -4, -3, 3, 0, 4, 0, 0, -1, 1, -1, 3, 7, 4, -4], [0, 8, 0, 0, 9, -6, 3, 0, 0, 0, -3, -6, -10, 0, 0, 0, 0, 0, 0, 3], [0, 4, 0, 0, 0, -6, 5, 0, 0, -4, -4, 2, 6, 0, 0, 0, 0, 0, 0, 5], [0, 5, 3, 0, 4, -10, 6, 0, 0, -1, -6, -9, -1, 0, 0, 0, 0, 0, 0, 6], [5, 0, 0, 2, 0, 0, 3, -2, 2, 0, -3, 0, 0, 5, 7, 0, -5, -1, 2, 3], [0, 0, 0, 0, 0, 6, -6, 0, 0, 1, 5, -5, 5, 0, 0, 0, 0, 0, 0, -1], [9, 0, 0, 6, 0, 0, 4, 3, -3, 0, -4, 0, 0, 1, -3, -1, 1, -7, -2, 4], [-1, 0, 0, 0, 0, 0, 1, 2, 1, 0, -1, 0, 0, -1, -1, 1, -3, -1, 2, 1], [0, -6, 0, 0, 0, 2, -2, 0, 0, 0, 7, -2, -10, 0, 0, 0, 0, 0, 0, 0], [0, -6, 1, 0, -5, 9, -4, 0, 0, 0, 4, 9, 3, 0, 0, 0, 0, 0, 0, -4], [0, 3, 0, 0, 0, 1, -3, 0, 0, 2, -10, 1, 5, 0, 0, 0, 0, 0, 0, 0], [-10, 0, 0, 0, 0, 0, -6, 2, -2, 0, 6, 0, 0, -8, -8, 2, 4, 4, -4, -6], [0, 2, -13, 0, 2, 7, -6, 0, 0, 8, 6, -1, -3, 0, 0, 0, 0, 0, 0, -6], [-1, 0, 0, 0, 0, 0, -6, -1, 3, 0, 6, 0, 0, -1, 5, -5, -5, -1, -4, -6], [0, -1, 0, 0, 0, 1, -6, 0, 0, -1, 5, -2, 0, 0, 0, 0, 0, 0, 0, 6], [0, 3, -5, 0, -2, 10, -5, 0, 0, 5, 5, 5, -11, 0, 0, 0, 0, 0, 0, -5], [-18, 0, 0, -1, 0, 0, -1, -1, 1, 0, 1, 0, 0, 0, -2, -3, 6, 2, 4, -1], [4, 0, 0, 0, 0, 0, -3, -6, 3, 0, 3, 0, 0, 4, 0, 1, 6, 4, -4, -3], [0, 2, 0, 0, 0, 0, 2, 0, 0, -1, -12, -1, 5, 0, 0, 0, 0, 0, 0, -1], [0, 1, 0, 0, 0, -1, -3, 0, 0, 0, 3, 1, 1, 0, 0, 0, 0, 0, 0, 4], [0, -6, 0, 0, 0, 0, -5, 0, 0, 0, 3, 0, -12, 0, 0, 0, 0, 0, 0, 5], [7, 0, 0, 0, 0, 0, -3, 4, 0, 0, 3, 0, 0, 7, -9, -8, -3, 7, 2, -3], [8, 0, 0, 6, 0, 0, 3, 5, -5, 0, -3, 0, 0, -2, -6, 1, 0, -8, -6, 3], [10, 0, 0, -2, 0, 0, 3, 3, -3, 0, -3, 0, 0, 0, 2, 5, -10, -6, -8, 3], [0, -1, 6, 0, 0, 5, 2, 0, 0, 3, -2, 2, 0, 0, 0, 0, 0, 0, 0, 2], [1, 0, 0, 0, 0, 0, 2, -9, 4, 0, -2, 0, 0, 1, -3, 6, 1, 1, 2, 2], [0, 8, -1, 0, 2, -5, 3, 0, 0, 2, -3, -7, -9, 0, 0, 0, 0, 0, 0, 3], [4, 0, 0, 0, 0, 0, -7, 4, 5, 0, 7, 0, 0, 4, -2, -7, -6, 4, -2, -7], [0, 1, 0, 0, 0, 3, -4, 0, 0, 4, 9, 1, 1, 0, 0, 0, 0, 0, 0, -3], [0, 5, -2, 0, 1, -1, 0, 0, 0, 1, 0, -2, -8, 0, 0, 0, 0, 0, 0, 0], [0, -2, 0, 0, 0, -2, 3, 0, 0, -3, 5, -1, -3, 0, 0, 0, 0, 0, 0, 2], [0, -6, 0, 0, 0, 0, -3, 0, 0, 2, -1, 2, -14, 0, 0, 0, 0, 0, 0, 1], [-23, 0, 0, -4, 0, 0, 4, 3, -3, 0, -4, 0, 0, 1, -1, 1, -3, -7, -4, 4]];
    aps := ConvertToHeckeField(raw_aps);
    chi := MakeCharacter_380_f_Hecke(Universe(aps));
    return ExtendMultiplicatively(weight, aps, chi);
end function;


// To make the newform (type ModFrm), type "MakeNewformModFrm_380_2_f_a();".
// 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_380_2_f_a(:prec:=20)
    chi := MakeCharacter_380_f();
    f_vec := qexpCoeffs();
    Kf := Universe(f_vec);
    // SetVerbose("ModularForms", true);
    // SetVerbose("ModularSymbols", true);
    S := CuspidalSubspace(ModularForms(chi, 2));
    S := BaseChange(S, Kf);
    maxprec := NextPrime(997) - 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_380_2_f_a();".
// 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_380_2_f_a( : sign := -1)
    R<x> := PolynomialRing(Rationals());
    chi := MakeCharacter_380_f();
    // SetVerbose("ModularSymbols", true);
    Snew := NewSubspace(CuspidalSubspace(ModularSymbols(chi,2,sign)));
    Vf := Kernel([<3,R![-8, 0, 80, 0, -218, 0, 110, 0, -19, 0, 1]>],Snew);
    return Vf;
end function;