
# q-expansion of newform 525.2.t.f, downloaded from the LMFDB on 17 April 2024.

# We generate the q-expansion using the Hecke eigenvalues a_p at the primes.
# Each a_p is given as a linear combination
# of the following basis for the coefficient ring.

def make_data():

    from sage.all import prod, floor, prime_powers, gcd, QQ, primes_first_n, next_prime, RR

    def discrete_log(elts, gens, mod):
        # algorithm 2.2, page 16 of https://arxiv.org/abs/0903.2785
        def table_gens(gens, mod):
            T = [1]
            n = len(gens)
            r = [None]*n
            s = [None]*n
            for i in range(n):
                beta = gens[i]
                r[i] = 1
                N = len(T)
                while beta not in T:
                    for Tj in T[:N]:
                        T.append((beta*Tj) % mod)
                    beta = (beta*gens[i]) % mod
                    r[i] += 1
                s[i] = T.index(beta)
            return T, r, s
        T, r, s = table_gens(gens, mod)
        n = len(gens)
        N = [ prod(r[:j]) for j in range(n) ]
        Z = lambda s: [ (floor(s/N[j]) % r[j]) for j in range(n)]
        return [Z(T.index(elt % mod)) for elt in elts]
    def extend_multiplicatively(an):
        for pp in prime_powers(len(an)-1):
            for k in range(1, (len(an) - 1)//pp + 1):
                if gcd(k, pp) == 1:
                    an[pp*k] = an[pp]*an[k]
    from sage.all import PolynomialRing, NumberField, ZZ
    R = PolynomialRing(QQ, "x")
    f = R(poly_data)
    K = NumberField(f, "a")
    betas = [K([c/ZZ(den) for c in num]) for num, den in basis_data]
    convert_elt_to_field = lambda elt: sum(c*beta for c, beta in zip(elt, betas))
    # convert aps to K elements
    primes = primes_first_n(len(aps_data))
    good_primes = [p for p in primes if not p.divides(level)]
    aps = map(convert_elt_to_field, aps_data)
    if not hecke_ring_character_values:
        # trivial character
        char_values = dict(zip(good_primes, [1]*len(good_primes)))
    else:
        gens = [elt[0] for elt in hecke_ring_character_values]
        gens_values = [convert_elt_to_field(elt[1]) for elt in hecke_ring_character_values]
        char_values = dict([(
            p,prod(g**k for g, k in zip(gens_values, elt)))
            for p, elt in zip(good_primes, discrete_log(good_primes, gens, level))
            ])
    an_list_bound = next_prime(primes[-1])
    an = [0]*an_list_bound
    an[1] = 1
    
    from sage.all import PowerSeriesRing
    PS = PowerSeriesRing(K, "q")
    for p, ap in zip(primes, aps):
        if p.divides(level):
            euler_factor = [1, -ap]
        else:
            euler_factor = [1, -ap, p**(weight - 1) * char_values[p]]
        k = RR(an_list_bound).log(p).floor() + 1
        foo = (1/PS(euler_factor)).padded_list(k)
        for i in range(1, k):
            an[p**i] = foo[i]
    extend_multiplicatively(an)
    return PS(an)
level = 525
weight = 2
poly_data = [4, 0, 32, 0, 36, 0, 11, 0, 1]

# The entries in the following list give a basis for the
# coefficient ring in terms of a root of the defining polynomial above.
# Each line consists of the coefficients of the numerator, and a denominator.
basis_data  = [[[1, 0, 0, 0, 0, 0, 0, 0], 1], [[0, 1, 0, 0, 0, 0, 0, 0], 1], [[2, 10, 0, 7, 0, 1, 0, 0], 4], [[0, -2, 10, 0, 7, 0, 1, 0], 4], [[8, 10, 22, 2, 9, 0, 1, 0], 4], [[8, -10, 22, -2, 9, 0, 1, 0], 4], [[-6, -20, -20, -29, -9, -10, -1, -1], 4], [[-6, 20, -20, 29, -9, 10, -1, 1], 4]]

hecke_ring_character_values = [[176, [-1, 0, 0, 0, 0, 0, 0, 0]], [127, [1, 0, 0, 0, 0, 0, 0, 0]], [451, [0, 0, 1, 0, 0, 0, 0, 0]]]
aps_data = [[0, 1, 0, 1, 0, 0, 0, 0], [-1, -1, 0, -1, 0, 0, 0, -1], [0, 0, 0, 0, 0, 0, 0, 0], [0, -1, 0, 1, 0, -1, 1, 0], [0, 0, 1, 1, 0, 1, -1, 0], [0, 0, 0, 0, 0, 0, -1, 1], [-4, 0, 4, 0, -1, 0, -1, 1], [1, 0, 0, 0, -1, 0, 0, 1], [2, 1, -2, 1, -2, -2, -2, 0], [-1, -2, 2, 0, 2, -2, -1, 1], [1, 0, -3, 3, 1, -2, 3, 1], [2, 1, -5, -1, 2, -2, 2, 0], [1, 0, 0, 0, -2, -2, -1, -1], [-3, 0, 0, 0, -1, -1, 0, 0], [2, 0, -4, 0, 2, -2, 2, 0], [0, 0, 4, -4, 0, 4, -4, 0], [4, 2, -1, 1, -2, 3, 1, 2], [-3, 0, -1, 0, -3, -4, -4, -1], [-1, 2, 0, 1, 0, -1, -1, 0], [-1, 1, 2, 0, 1, -1, 1, -1], [1, 0, -3, -3, 2, 0, 2, 2], [-3, 2, -6, -2, -3, 2, -2, -1], [6, 1, 0, 2, 0, 0, 2, 2], [-1, -4, -1, 4, -1, -5, 5, -6], [-1, -3, 2, 0, -2, 2, 3, -3], [4, 4, -3, 2, 1, 1, 2, -1], [8, 6, -3, 6, -4, -1, -1, 3], [10, 1, 0, 1, 2, 6, 6, 4], [-5, -2, 2, -1, 3, -3, 0, -3], [2, 2, -4, 0, 2, -2, -2, 2], [6, 2, 0, 4, 2, 2, -1, -1], [4, 2, -2, -2, 4, 2, -2, 6], [-2, 0, -4, 2, 1, 0, 1, 1], [0, 6, 0, 0, -3, 3, -5, 5], [-10, 5, 8, 5, -4, 1, 1, 5], [2, -10, -3, -5, 1, -1, 0, -1], [-4, 0, 2, 0, -4, -2, -2, -4], [-6, -2, 2, 2, -6, 0, 0, -6], [4, 1, 0, 2, -2, -2, 2, 2], [2, -4, 0, 4, 2, -4, 4, -2], [8, 0, 4, -2, 4, 4, 0, 4], [0, 9, 0, 0, -4, 4, -3, 3], [-4, -10, 0, -10, 4, 0, 0, -4], [-7, 6, 7, 3, -6, 0, -6, 6], [-6, 2, 12, 0, -3, 3, -2, 2], [-2, 0, -3, 9, -1, -3, 2, -1], [-1, -1, 0, -2, 0, 0, -3, -3], [-2, 0, 4, 0, 2, -2, 0, 0], [2, 4, -8, 2, 5, -6, -1, -5], [0, 9, 3, 9, -8, -1, -1, 7], [6, -2, -4, -2, -2, -2, -2, 0], [-4, 10, 8, 0, -6, 6, -2, 2], [0, 0, -1, -9, 3, 5, -2, 3], [3, -1, 0, -2, -3, -3, 1, 1], [-2, -2, 16, 2, -2, -1, 1, -3], [-10, 0, -2, -1, -5, -2, -3, -5], [-14, 6, 16, 3, -5, 2, -3, 5], [-9, -3, 3, -3, 5, 1, 1, -4], [-7, 2, 1, 1, 0, -6, -6, 0], [0, 4, 0, 0, 2, -2, -6, 6], [1, 0, -7, -3, 6, 4, 2, 6], [-14, -6, 0, -12, 4, 4, -4, -4], [12, 3, -24, 0, -3, 3, -3, 3], [-8, 10, 15, 5, -8, 7, -1, 8], [10, -3, -3, -3, 4, 4, 4, 0], [-18, -14, 2, -14, 4, -5, -5, -9], [2, -1, 13, 1, 2, 5, -5, 7], [4, -4, 0, -8, 0, 0, 3, 3], [0, 0, 2, 5, 1, 4, -3, 1], [8, -3, -16, 0, 5, -5, 10, -10], [6, 12, 0, 6, -3, 6, 3, 3], [-5, -7, -5, -7, -1, -8, -8, -7], [7, 0, 0, 3, 8, 9, -1, 8], [1, 8, 6, -8, 1, 5, -5, 6], [13, -1, 0, -2, 5, 5, 8, 8], [0, -5, 8, 5, 0, 5, -5, 5], [2, 0, 1, -5, 0, -1, 1, 0], [-12, -9, 1, -9, 2, -4, -4, -6], [-8, -1, 4, -1, 6, 3, 3, -3], [-15, 0, -3, -12, -6, 0, -6, -6], [20, 0, 0, 0, 2, 2, 8, 8], [-14, -9, 0, -18, 2, 2, -9, -9], [-2, 0, 18, -8, -6, 8, -14, -6], [-10, 0, 20, 0, -2, 2, 3, -3], [-21, -3, 11, -3, 1, 1, 1, 0], [-16, -5, 10, -5, -2, 1, 1, 3], [4, -11, -8, 0, -3, 3, 6, -6], [-5, 6, 12, -6, -5, 5, -5, 0], [-1, 3, 0, 6, -1, -1, 5, 5], [-12, -5, 0, -10, -7, -7, -5, -5], [-4, 7, 0, -7, -4, -1, 1, -5], [14, 0, -22, 0, 8, -8, 0, -8], [-11, -8, 14, -4, -1, 3, 2, 1], [10, 4, -20, 0, -2, 2, 0, 0], [-2, 5, 7, -5, -2, 13, -13, 11], [-12, 7, 0, 14, -15, -15, -8, -8], [-6, -3, -6, 3, -6, 3, -3, -3], [-20, -20, 12, -10, 10, -8, 2, -10], [-15, 6, 6, 6, 5, 1, 1, -4], [2, 2, -7, -2, 2, 0, 0, 2], [16, -7, 0, -14, 9, 9, 4, 4], [-6, 0, -6, -4, -2, -4, 2, -2], [4, -10, 2, -5, 1, 6, 7, -1], [5, -13, -1, -13, 9, 6, 6, -3], [9, 0, -16, 0, 14, -7, 7, -14], [-5, 0, -2, 6, -5, -7, 2, -5], [22, 0, 0, 0, 1, 1, 0, 0], [-2, 2, 8, -2, -2, -3, 3, -5], [-6, 0, 0, 16, -8, -10, 2, -8], [-8, 12, 16, 0, -13, 13, -3, 3], [-19, 21, 4, 21, -9, -10, -10, -1], [14, -18, -15, -9, 9, -1, 8, -9], [-8, 8, 16, 0, -2, 2, -8, 8], [13, 0, -9, -3, 13, 4, 9, 13], [-8, 2, 0, 4, -16, -16, -8, -8], [0, 0, -3, -8, 5, 7, -2, 5], [-14, 6, 28, 0, -10, 10, -7, 7], [6, -2, -6, -1, 0, 0, 0, 0], [10, -26, -6, -26, 12, 5, 5, -7], [0, -8, 0, 0, 12, -12, 4, -4], [-5, 0, -12, -3, 1, -5, 6, 1], [2, -2, 0, -4, 4, 4, -1, -1], [2, -2, 10, 2, 2, 9, -9, 11], [-10, 0, -8, 5, -2, -2, 0, -2], [10, -3, -3, -3, 10, 7, 7, -3], [3, 10, -6, 0, -8, 8, -15, 15], [3, -8, 13, 8, 3, -12, 12, -9], [8, 4, 6, -4, 8, 8, -8, 16], [1, 0, -2, 0, -7, 7, 12, -12], [-19, 0, 16, 0, -3, 5, 5, 8], [21, 12, -12, 6, 2, 9, 11, -2], [0, -1, 0, 0, 8, -8, 6, -6], [12, -11, -11, 11, 12, -15, 15, -3], [2, 4, 0, 8, -14, -14, -4, -4], [5, -5, 3, 5, 5, -10, 10, -5], [-2, 6, 4, 0, -7, 7, -15, 15], [16, 20, -10, 10, 1, 6, 7, -1], [2, 0, 4, 9, -9, -16, 7, -9], [-34, 0, 0, 0, -7, -7, -12, -12], [-18, 0, -2, -5, -9, -2, -7, -9], [-1, -15, 2, 0, 4, -4, 3, -3], [-11, -1, 11, -1, -3, 4, 4, 7], [28, 0, -23, 0, -4, 5, 1, 4], [2, -1, -4, 0, 7, -7, -6, 6], [-15, 0, 4, 0, -12, -5, -7, -12], [-27, 5, 0, 10, -3, -3, -7, -7], [9, 15, -18, 0, 2, -2, 0, 0], [2, 12, 6, 6, -1, 8, 7, 1], [-31, -9, 5, -9, -5, -13, -13, -8], [16, 7, -10, 7, 2, -1, -1, -3], [10, 0, -4, 0, 10, -2, 2, 8], [8, -1, 0, -2, -1, -1, -14, -14], [-11, -3, 0, -6, 0, 0, -2, -2], [2, 1, -8, -1, 2, 6, -6, 8], [5, 0, -23, 0, 9, -18, -9, -9], [-25, -5, 50, 0, 5, -5, -1, 1], [4, 7, -13, -7, 4, -1, 1, 3], [-3, 4, 17, -4, -3, 17, -17, 14], [3, 9, -6, 0, -2, 2, -2, 2], [16, -14, -19, -7, 4, -3, 1, -4], [-24, 1, 14, 1, -16, -6, -6, 10], [-22, 2, 44, 0, -18, 18, -10, 10], [-13, 4, 0, 8, -5, -5, -10, -10], [-10, 4, -4, -4, -10, 10, -10, 0], [8, 0, 0, -16, 5, 2, 3, 5], [-34, -6, 26, -3, 2, -8, -6, -2], [3, -8, -14, -4, 2, -11, -9, -2], [3, 0, -7, -21, 12, 14, -2, 12]]
