Specialization at T = 7/26 of the rank-16 fibration of X948 given by:
y^2 + (Lx+B)y = x(x+D)(x+E),
where
B = pE + qD + pq(L-p-q),
L = 2056204T^2 - 19826992T + 730903,
p = -1352(15493T - 925),
q = 4336938T^2 - 705587T + 21815,
D = -2028(142509543284T^3 + 23186595908T^2 - 2342619577T - 2236095),
E = 12(8320656394176T^4 - 4943881953560T^3 + 753235556749T^2 - 40844263700T + 858131775).
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