
# q-expansion of newform 585.2.j.f, downloaded from the LMFDB on 19 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 = 585
weight = 2
poly_data = [7, -21, 30, -19, 12, -3, 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], 1], [[0, 1, 0, 0, 0, 0], 1], [[0, -7, 10, 2, 1, 1], 7], [[3, -1, 1, 0, 0, 0], 1], [[7, -28, 22, -18, 5, -2], 7], [[-14, 56, -29, 25, -5, 2], 7]]

hecke_ring_character_values = [[326, [1, 0, 0, 0, 0, 0]], [352, [1, 0, 0, 0, 0, 0]], [496, [0, 0, 0, 0, 1, 0]]]
aps_data = [[0, 0, 0, 1, 0, -1], [0, 0, 0, 0, 0, 0], [-1, 0, 0, 0, 0, 0], [0, 0, 0, 0, 1, -1], [0, 0, 0, -2, 0, 2], [-1, -1, -1, 1, -3, 0], [0, -4, -2, 0, -2, -1], [0, -2, -1, 0, 3, -1], [2, -2, 2, 2, 0, -2], [1, 1, -1, 0, 2, 0], [4, 3, 6, 1, 3, 0], [0, -2, 2, 2, -2, -2], [-1, 1, -1, -2, 0, 2], [0, -2, -1, 0, 2, 0], [4, 0, 0, -3, 0, 0], [0, 0, 0, 2, 0, 0], [0, -2, -1, 0, 1, -2], [0, -2, -1, 0, -2, 1], [-6, 3, -3, 0, -3, 0], [0, -6, -3, 0, 1, -2], [7, 0, 0, -3, 0, 0], [-4, -3, -6, -1, -3, 0], [8, 2, 4, 2, 2, 0], [9, 1, -1, 0, 10, 0], [0, 2, 1, 0, 6, 4], [-8, 0, 0, 4, -8, -4], [2, -1, -2, 6, -1, 0], [10, -2, 2, 1, 8, -1], [7, -2, -4, 2, -2, 0], [0, 0, 0, 0, 6, -2], [11, 0, 0, -3, 11, 3], [-5, 1, 2, 4, 1, 0], [0, -4, -2, 0, 0, 5], [0, 4, 2, 0, 7, 8], [0, 4, 2, 0, 12, 0], [-3, -3, -6, -7, -3, 0], [-6, -1, -2, -2, -1, 0], [0, 8, 4, 0, 1, 3], [-10, 2, -2, 2, -8, -2], [0, -4, -2, 0, -8, 1], [-7, 5, -5, -6, -2, 6], [21, 3, 6, 1, 3, 0], [0, 6, 3, 0, 7, -2], [-15, -2, 2, -1, -17, 1], [4, 2, -2, -8, 6, 8], [0, 4, 2, 0, 3, 2], [3, -2, 2, 8, 1, -8], [-8, 0, 0, 6, -8, -6], [0, 4, 2, 0, -8, 5], [13, -1, -2, -5, -1, 0], [-2, -6, -12, 4, -6, 0], [-18, 0, 0, 2, 0, 0], [0, -2, -1, 0, 9, -1], [0, 0, 0, 0, -2, -4], [0, -2, 2, 3, -2, -3], [-4, -4, 4, 1, -8, -1], [0, 2, 1, 0, -9, -6], [-3, -2, 2, -8, -5, 8], [0, 0, 0, 0, -2, 8], [3, 1, 2, 0, 1, 0], [3, 4, -4, 9, 7, -9], [0, 20, 10, 0, 2, 9], [-10, -1, -2, -2, -1, 0], [11, 9, 18, 2, 9, 0], [-4, 5, 10, 0, 5, 0], [-8, -6, -12, -4, -6, 0], [0, 4, 2, 0, 3, -8], [4, -5, -10, -6, -5, 0], [0, -16, -8, 0, 0, -6], [-2, 3, -3, -1, 1, 1], [20, -8, 8, 2, 12, -2], [11, -5, -10, -4, -5, 0], [4, -5, 5, 4, -1, -4], [0, -8, -4, 0, -15, 5], [6, -5, 5, 13, 1, -13], [0, 0, 0, 0, 2, -11], [-4, -6, -12, -10, -6, 0], [0, 2, 1, 0, 12, 0], [-2, -2, 2, -8, -4, 8], [0, 6, 3, 0, 12, -7], [9, 1, -1, 2, 10, -2], [-16, -9, -18, 1, -9, 0], [10, 4, -4, 10, 14, -10], [0, 0, 0, 0, -11, -9], [-18, -1, 1, -5, -19, 5], [2, -2, -4, -1, -2, 0], [0, -12, -6, 0, -12, 4], [0, -1, 1, 4, -1, -4], [0, 14, 7, 0, -3, 2], [-8, -5, -10, -8, -5, 0], [4, -4, -8, 5, -4, 0], [9, -11, 11, 0, -2, 0], [0, 10, 5, 0, 11, 1], [7, 7, -7, 6, 14, -6], [7, -5, -10, -15, -5, 0], [0, 12, 6, 0, 12, 14], [-10, -6, 6, 12, -16, -12], [19, 5, 10, 2, 5, 0], [22, 2, -2, -4, 24, 4], [13, 4, 8, 10, 4, 0], [0, 7, 14, 2, 7, 0], [14, -12, 12, 2, 2, -2], [0, 8, 4, 0, 2, 0], [-1, 1, -1, -10, 0, 10], [5, 1, 2, -9, 1, 0], [22, 4, 8, 2, 4, 0], [4, 8, -8, 7, 12, -7], [0, 2, 4, 4, 2, 0], [9, -7, -14, -14, -7, 0], [-11, 5, -5, -9, -6, 9], [0, -6, -3, 0, -13, 5], [-4, 1, -1, -6, -3, 6], [0, 0, 0, 0, -12, -6], [1, 4, 8, 2, 4, 0], [0, -2, -1, 0, -18, -13], [0, -12, -6, 0, -6, -6], [0, 8, 4, 0, 37, -5], [-2, 2, -2, 2, 0, -2], [20, -4, 4, 1, 16, -1], [0, 4, 2, 0, 2, 0], [17, -4, 4, 0, 13, 0], [7, -4, 4, 7, 3, -7], [10, 4, 8, 4, 4, 0], [0, 8, 4, 0, 34, 1], [-38, 9, -9, -7, -29, 7], [-4, 4, 8, -6, 4, 0], [0, -8, -4, 0, 9, 8], [0, -10, -5, 0, -27, 8], [-4, 9, 18, 0, 9, 0], [38, 9, 18, 6, 9, 0], [-4, 0, 0, 6, -4, -6], [-10, 0, 0, 9, -10, -9], [-27, -5, 5, -5, -32, 5], [-1, 1, -1, -3, 0, 3], [0, -4, -2, 0, -16, 0], [-27, -3, 3, 5, -30, -5], [0, -20, -10, 0, -18, -20], [0, 0, 0, 0, -15, 13], [0, 4, 2, 0, 12, 9], [22, -2, 2, 0, 20, 0], [5, 4, 8, 8, 4, 0], [-12, -6, 6, -6, -18, 6], [0, -8, -4, 0, 8, -8], [22, 12, 24, 15, 12, 0], [12, 7, -7, -15, 19, 15], [0, -16, -8, 0, -32, 12], [-5, 2, 4, 1, 2, 0], [26, 6, 12, 7, 6, 0], [-2, -5, -10, -3, -5, 0], [8, -2, -4, 0, -2, 0], [0, -8, -4, 0, 6, -2], [-24, 0, 0, -2, -24, 2], [-12, -1, -2, 16, -1, 0], [4, 6, -6, 1, 10, -1], [-27, 9, -9, -9, -18, 9], [-30, 2, 4, -4, 2, 0], [0, 18, 9, 0, 21, -11], [0, -4, -2, 0, -18, -2], [-2, 0, 0, 16, 0, 0], [3, -3, -6, -8, -3, 0], [-8, 4, -4, -11, -4, 11], [0, 12, 6, 0, -6, 4], [16, -8, -16, 2, -8, 0], [0, 8, 4, 0, 30, 8], [-30, 10, -10, -8, -20, 8], [-8, -4, -8, -2, -4, 0], [5, 3, -3, -11, 8, 11], [0, -8, -4, 0, -11, -9]]
