// Make newform 1470.2.d.e in Magma, downloaded from the LMFDB on 28 March 2024. // To make the character of type GrpDrchElt, type "MakeCharacter_1470_d();" // To make the character of type GrpDrchElt with Codomain the HeckeField, type "MakeCharacter_1470_d_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_1470_2_d_e();". // 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_1470_2_d_e();". // 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, 0, -36, 0, 7, 0, -4, 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, 180, 0, -49, 0, 28, 0, 2], [0, 81, 0, 35, 0, 7, 0, -4], [18, 0, 2, 0, 4, 0, -1, 0], [0, 63, 0, -5, 0, -1, 0, -2], [0, -324, 0, 49, 0, -28, 0, 16], [225, 0, -56, 0, 14, 0, -8, 0], [22, 0, 0, 0, 0, 0, -1, 0]]; Rf_basisdens := [1, 189, 189, 9, 27, 189, 63, 7]; 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_1470_d();" function MakeCharacter_1470_d() N := 1470; order := 2; char_gens := [491, 1177, 1081]; 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; // To make the character of type GrpDrchElt with Codomain the HeckeField, type "MakeCharacter_1470_d_Hecke();" function MakeCharacter_1470_d_Hecke(Kf) N := 1470; order := 2; char_gens := [491, 1177, 1081]; char_values := [[-1, 0, 0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0, 0, 0], [-1, 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 := 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 := 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, 1, 0, 0], [0, 0, 1, 0, 0, 0, -1, 0], [0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0, -1], [0, 0, 2, 1, 0, 0, 0, 0], [0, 0, 1, 0, 0, 2, 0, 0], [0, 0, -1, 0, 0, -2, 1, 0], [1, 2, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0, -2], [0, 0, 1, 0, 0, 2, 2, 0], [0, 0, 0, 0, -2, 0, 0, -1], [0, 0, 2, 1, 0, 0, 0, 0], [0, 0, 0, 0, -1, 0, 0, 2], [0, 0, 3, 0, 0, 6, 1, 0], [-5, 0, 0, 0, 0, 0, 0, 0], [0, 0, 2, -2, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 2, 0], [0, 0, 0, 0, 4, 0, 0, -2], [0, 0, 0, 0, -1, 0, 0, 2], [0, 0, -3, -2, 0, 0, 0, 0], [6, -2, 0, 0, -1, 0, 0, 0], [0, 0, -2, 0, 0, -4, 6, 0], [0, 0, -2, -2, 0, 0, 0, 0], [0, 0, 3, -2, 0, 0, 0, 0], [0, 0, -8, 0, 0, 0, 0, 0], [0, 0, 2, 2, 0, 0, 0, 0], [0, -2, 0, 0, -1, 0, 0, 0], [-4, 6, 0, 0, 3, 0, 0, 0], [-12, 2, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, -1, 0, 0, -5], [0, 0, 7, -1, 0, 0, 0, 0], [-2, -2, 0, 0, -1, 0, 0, 0], [0, 0, 2, 0, 0, 4, 8, 0], [0, 0, 0, 0, -1, 0, 0, 0], [-2, 0, 0, 0, 0, 0, 0, 0], [0, 0, 2, -3, 0, 0, 0, 0], [0, 0, 0, 0, -6, 0, 0, 0], [0, 0, 3, 0, 0, 6, -3, 0], [0, 0, -2, 0, 0, -4, 3, 0], [0, 0, 0, 0, -7, 0, 0, 1], [0, 0, 1, 0, 0, 2, 0, 0], [0, 0, 0, 0, -3, 0, 0, 4], [0, 0, 0, 0, 3, 0, 0, 0], [-9, 0, 0, 0, 0, 0, 0, 0], [0, 0, -6, 0, 0, -12, 2, 0], [19, -2, 0, 0, -1, 0, 0, 0], [0, 0, 10, -2, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 6, 0], [0, 0, -1, 0, 0, -2, -6, 0], [4, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 4, 0, 0, 8, 5, 0], [0, 0, -9, -1, 0, 0, 0, 0], [0, 0, -2, 0, 0, -4, 10, 0], [2, 0, 0, 0, 0, 0, 0, 0], [0, 0, 4, 6, 0, 0, 0, 0], [0, 0, -2, 0, 0, -4, 0, 0], [0, 0, 0, 0, -4, 0, 0, 0], [0, 0, 0, 0, 2, 0, 0, 3], [0, 0, 12, 2, 0, 0, 0, 0], [0, 0, -2, 0, 0, -4, -1, 0], [0, 0, -3, 2, 0, 0, 0, 0], [0, 0, 4, 6, 0, 0, 0, 0], [0, 0, 0, -6, 0, 0, 0, 0], [-12, -8, 0, 0, -4, 0, 0, 0], [5, -6, 0, 0, -3, 0, 0, 0], [0, 0, 0, 0, -7, 0, 0, 0], [12, -2, 0, 0, -1, 0, 0, 0], [0, 0, -7, 0, 0, -14, 6, 0], [0, 0, -2, 0, 0, -4, 4, 0], [0, 0, 0, 0, 1, 0, 0, -4], [0, 0, 3, 1, 0, 0, 0, 0], [0, 0, 0, 0, 4, 0, 0, -6], [-15, 2, 0, 0, 1, 0, 0, 0], [0, 0, -3, 0, 0, -6, -5, 0], [0, 0, 0, 0, -3, 0, 0, 0], [0, 0, 16, 2, 0, 0, 0, 0], [0, 0, 0, 0, 6, 0, 0, 7], [0, 0, -6, 0, 0, -12, 2, 0], [0, 0, 9, 1, 0, 0, 0, 0], [8, -4, 0, 0, -2, 0, 0, 0], [0, 0, 0, 0, 6, 0, 0, 10], [0, 0, 0, 0, 0, 0, 0, 0], [0, 0, -5, 0, 0, -10, 4, 0], [26, 4, 0, 0, 2, 0, 0, 0], [0, 0, 0, 0, -6, 0, 0, 5], [0, 0, 0, 0, -10, 0, 0, -6], [0, 0, 17, -2, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0, -9], [0, 0, -1, 0, 0, -2, 18, 0], [0, 0, 19, -4, 0, 0, 0, 0], [0, 0, 0, 0, 4, 0, 0, 12], [0, 0, 0, 0, 2, 0, 0, -4], [-20, -8, 0, 0, -4, 0, 0, 0], [0, 0, -6, 0, 0, -12, 2, 0], [0, 0, 12, -2, 0, 0, 0, 0], [0, 0, 6, -7, 0, 0, 0, 0], [0, 0, -1, 4, 0, 0, 0, 0], [14, 2, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 4, 0, 0, 6], [5, 12, 0, 0, 6, 0, 0, 0], [0, 0, 0, 0, 0, 0, 6, 0], [0, 0, 0, 0, -4, 0, 0, -1], [4, -4, 0, 0, -2, 0, 0, 0], [0, 0, 5, 2, 0, 0, 0, 0], [0, 0, -1, 0, 0, -2, 14, 0], [0, 0, 6, 0, 0, 12, -10, 0], [0, 0, 0, 0, 6, 0, 0, -4], [0, 0, 2, 0, 0, 4, -6, 0], [0, 0, -5, -5, 0, 0, 0, 0], [0, 0, 0, 0, -4, 0, 0, -7], [-20, -2, 0, 0, -1, 0, 0, 0], [0, 0, -9, 0, 0, -18, -1, 0], [-2, -2, 0, 0, -1, 0, 0, 0], [0, 0, 0, 0, -2, 0, 0, 5], [0, 0, 2, -6, 0, 0, 0, 0], [0, 0, 7, 0, 0, 14, -1, 0], [-7, 12, 0, 0, 6, 0, 0, 0], [0, 0, 0, 0, -14, 0, 0, 0], [0, 0, 2, 0, 0, 4, -4, 0], [0, 0, 0, 0, -7, 0, 0, -14], [0, 0, 0, 0, 0, 0, 19, 0], [8, -4, 0, 0, -2, 0, 0, 0], [0, 0, 0, 0, 0, 0, 2, 0], [0, 0, 0, 0, 12, 0, 0, -10], [-6, 6, 0, 0, 3, 0, 0, 0], [0, 0, -17, -6, 0, 0, 0, 0], [0, 0, -3, -5, 0, 0, 0, 0], [0, 0, -12, -5, 0, 0, 0, 0], [1, -2, 0, 0, -1, 0, 0, 0], [3, 6, 0, 0, 3, 0, 0, 0], [-32, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 16, 0, 0, -4], [0, 0, 4, 1, 0, 0, 0, 0], [0, 0, 2, 0, 0, 4, -13, 0], [0, 0, 2, 0, 0, 4, -13, 0], [0, 0, -30, 2, 0, 0, 0, 0], [0, 0, -4, 0, 0, -8, -24, 0], [0, 0, 0, 0, -10, 0, 0, -7], [0, 0, -5, 0, 0, -10, -13, 0], [0, 0, 0, 0, -8, 0, 0, -14], [0, 0, 0, 0, 6, 0, 0, 8], [-18, -8, 0, 0, -4, 0, 0, 0], [0, 0, 5, 0, 0, 10, 20, 0], [0, 0, -1, 10, 0, 0, 0, 0], [0, 0, 8, 11, 0, 0, 0, 0], [0, 0, -4, 0, 0, -8, 16, 0], [0, 0, -2, 0, 0, -4, -14, 0], [21, -2, 0, 0, -1, 0, 0, 0], [0, 0, 0, 0, 20, 0, 0, -3], [0, 0, -16, -1, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0, 12], [0, 0, 0, 0, 0, 0, -2, 0], [0, 0, 0, 0, -4, 0, 0, 0], [0, 0, 0, 0, -8, 0, 0, 2], [-16, -6, 0, 0, -3, 0, 0, 0], [0, 0, -14, -1, 0, 0, 0, 0], [0, 0, 27, -4, 0, 0, 0, 0], [0, 0, 9, -2, 0, 0, 0, 0], [0, 12, 0, 0, 6, 0, 0, 0], [-36, 4, 0, 0, 2, 0, 0, 0], [0, 0, 0, 0, 8, 0, 0, 12], [0, 0, 13, -5, 0, 0, 0, 0], [18, 8, 0, 0, 4, 0, 0, 0], [0, 0, -3, 0, 0, -6, -25, 0], [16, 2, 0, 0, 1, 0, 0, 0], [0, 0, 0, -4, 0, 0, 0, 0], [-19, 0, 0, 0, 0, 0, 0, 0], [0, 0, -4, 0, 0, -8, 1, 0], [0, 0, 0, 0, 10, 0, 0, 16], [0, 0, -11, 0, 0, -22, -12, 0], [0, 0, 0, 0, 11, 0, 0, -10], [0, 0, 0, 0, 5, 0, 0, -18], [0, 0, 14, 0, 0, 28, -6, 0], [0, 0, -28, 0, 0, 0, 0, 0], [-15, 2, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 14, 0, 0, 8], [0, 0, -25, 5, 0, 0, 0, 0], [0, 0, 1, 0, 0, 2, -18, 0], [0, 0, 0, 0, 7, 0, 0, 9], [0, 0, 21, -7, 0, 0, 0, 0], [0, 0, 0, 0, 2, 0, 0, 17], [0, 0, -8, 0, 0, -16, 4, 0], [-43, 2, 0, 0, 1, 0, 0, 0], [0, 0, 5, -4, 0, 0, 0, 0], [0, 0, 0, 0, -6, 0, 0, -3], [0, 0, -9, -12, 0, 0, 0, 0], [-37, 8, 0, 0, 4, 0, 0, 0], [0, 0, -33, -2, 0, 0, 0, 0], [0, 0, 15, -2, 0, 0, 0, 0], [20, 4, 0, 0, 2, 0, 0, 0], [27, -2, 0, 0, -1, 0, 0, 0], [0, 0, -23, -2, 0, 0, 0, 0], [-38, -6, 0, 0, -3, 0, 0, 0], [0, 0, -3, 0, 0, -6, -4, 0], [-5, 16, 0, 0, 8, 0, 0, 0], [0, 0, 0, 0, -12, 0, 0, 12], [0, 0, 3, 0, 0, 6, 4, 0], [0, 0, -4, 0, 0, -8, -6, 0], [0, 0, 0, 0, 0, 0, 0, 8], [0, 0, 4, 0, 0, 8, 10, 0], [0, 0, -12, 2, 0, 0, 0, 0], [0, 0, 10, 0, 0, 20, 11, 0], [0, 0, 42, 0, 0, 0, 0, 0], [0, 0, -12, 0, 0, -24, -13, 0], [0, 0, -4, 0, 0, -8, 26, 0], [2, -8, 0, 0, -4, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, -21], [0, 0, -3, 0, 0, -6, -9, 0], [0, 0, 0, 0, 0, 0, 0, -26], [0, 0, -13, 4, 0, 0, 0, 0], [0, 0, 0, 0, 6, 0, 0, -12], [0, 0, -4, 0, 0, -8, 8, 0], [0, 0, 7, 4, 0, 0, 0, 0], [0, 0, 4, 0, 0, 8, -1, 0], [0, 0, 0, 0, 9, 0, 0, -19], [0, 0, 4, 13, 0, 0, 0, 0], [3, -18, 0, 0, -9, 0, 0, 0], [-27, -16, 0, 0, -8, 0, 0, 0], [-8, -16, 0, 0, -8, 0, 0, 0], [0, 0, -1, 0, 0, -2, 12, 0], [0, 0, 0, 0, -8, 0, 0, 7], [0, 0, 0, 0, -3, 0, 0, -13], [0, 0, 4, 0, 0, 8, -16, 0], [14, -22, 0, 0, -11, 0, 0, 0], [0, 0, -2, 0, 0, -4, 10, 0], [0, 0, 0, 0, 13, 0, 0, -18], [0, 0, 19, -7, 0, 0, 0, 0], [0, 0, 0, 0, 4, 0, 0, 18], [0, 0, 0, 0, 6, 0, 0, 15], [0, 0, 11, 0, 0, 22, 19, 0], [24, 4, 0, 0, 2, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, -13], [0, 0, -4, -2, 0, 0, 0, 0], [0, 0, 6, 0, 0, 12, 26, 0], [0, 0, 4, 0, 0, 8, -36, 0], [-9, 4, 0, 0, 2, 0, 0, 0], [0, 0, 0, 0, -15, 0, 0, 9], [0, 0, 20, 10, 0, 0, 0, 0], [54, -2, 0, 0, -1, 0, 0, 0], [0, 0, 9, 0, 0, 18, 25, 0], [0, 0, 2, 4, 0, 0, 0, 0], [-12, -4, 0, 0, -2, 0, 0, 0], [0, 0, 0, 0, 0, 0, 22, 0], [0, 0, 8, 10, 0, 0, 0, 0], [0, 0, -15, 3, 0, 0, 0, 0], [0, 0, 7, -3, 0, 0, 0, 0], [-32, -8, 0, 0, -4, 0, 0, 0], [-9, 14, 0, 0, 7, 0, 0, 0], [0, 0, 0, 0, -20, 0, 0, 12], [0, 0, 28, -1, 0, 0, 0, 0], [-13, -18, 0, 0, -9, 0, 0, 0], [0, 0, 14, 0, 0, 28, 13, 0], [0, 0, 12, 0, 0, 24, -10, 0], [0, 0, 0, 0, 3, 0, 0, -29], [16, 16, 0, 0, 8, 0, 0, 0], [0, 0, -19, 4, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 1, 0], [0, 0, 17, -8, 0, 0, 0, 0], [0, 0, 0, 0, 9, 0, 0, -5], [32, -18, 0, 0, -9, 0, 0, 0], [0, 0, 14, 0, 0, 28, -6, 0], [0, 0, 24, -2, 0, 0, 0, 0], [0, 0, -15, 0, 0, -30, -2, 0], [0, 0, 17, 0, 0, 34, -9, 0], [0, 0, 0, 0, 18, 0, 0, 6], [0, 0, -28, 7, 0, 0, 0, 0], [0, 0, 0, 0, -4, 0, 0, -6], [-1, 16, 0, 0, 8, 0, 0, 0], [0, 0, -14, 0, 0, -28, -12, 0], [0, 0, 0, 0, -8, 0, 0, -20], [0, 0, -6, 0, 0, 0, 0, 0], [4, 18, 0, 0, 9, 0, 0, 0], [0, 0, 0, -14, 0, 0, 0, 0], [0, 0, -15, -3, 0, 0, 0, 0], [-30, 4, 0, 0, 2, 0, 0, 0], [14, -6, 0, 0, -3, 0, 0, 0], [45, 0, 0, 0, 0, 0, 0, 0], [0, 0, -13, 3, 0, 0, 0, 0], [0, 0, -7, 0, 0, -14, 13, 0], [-40, -12, 0, 0, -6, 0, 0, 0], [0, 0, -5, 0, 0, -10, 17, 0], [0, 0, -6, 0, 0, -12, 28, 0], [0, 0, -24, -4, 0, 0, 0, 0], [0, 0, 0, 0, 5, 0, 0, 16], [0, 0, 0, 0, 0, 0, 0, -8], [17, 20, 0, 0, 10, 0, 0, 0], [0, 0, 11, 0, 0, 22, -16, 0], [0, 0, 6, 3, 0, 0, 0, 0], [0, 0, 0, 0, -15, 0, 0, -4], [0, 0, 14, 0, 0, 28, 6, 0], [-26, 6, 0, 0, 3, 0, 0, 0], [0, 0, 19, -1, 0, 0, 0, 0], [0, 0, 0, 0, -8, 0, 0, 9], [0, 0, -10, -8, 0, 0, 0, 0], [0, 0, -2, 0, 0, -4, 28, 0], [0, 0, 2, 0, 0, 4, -46, 0], [0, 0, 19, -9, 0, 0, 0, 0], [0, 0, 19, 6, 0, 0, 0, 0], [0, 0, -32, -8, 0, 0, 0, 0], [-9, 4, 0, 0, 2, 0, 0, 0], [-8, -10, 0, 0, -5, 0, 0, 0]]; aps := ConvertToHeckeField(raw_aps); chi := MakeCharacter_1470_d_Hecke(Universe(aps)); return ExtendMultiplicatively(weight, aps, chi); end function; // To make the newform (type ModFrm), type "MakeNewformModFrm_1470_2_d_e();". // 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_1470_2_d_e(:prec:=8) chi := MakeCharacter_1470_d(); f_vec := qexpCoeffs(); Kf := Universe(f_vec); // SetVerbose("ModularForms", true); // SetVerbose("ModularSymbols", true); S := CuspidalSubspace(ModularForms(chi, 2)); S := BaseChange(S, Kf); maxprec := NextPrime(1999) - 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_1470_2_d_e();". // 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_1470_2_d_e( : sign := -1) R := PolynomialRing(Rationals()); chi := MakeCharacter_1470_d(); // SetVerbose("ModularSymbols", true); Snew := NewSubspace(CuspidalSubspace(ModularSymbols(chi,2,sign))); Vf := Kernel([<11,R![1, 0, 22, 0, 1]>,<13,R![49, 0, -46, 0, 1]>,<23,R![-29, -2, 1]>],Snew); return Vf; end function;