Cremona's table of elliptic curves

Curve 28400a1

28400 = 24 · 52 · 71



Data for elliptic curve 28400a1

Field Data Notes
Atkin-Lehner 2+ 5+ 71+ Signs for the Atkin-Lehner involutions
Class 28400a Isogeny class
Conductor 28400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 10752 Modular degree for the optimal curve
Δ -7100000000 = -1 · 28 · 58 · 71 Discriminant
Eigenvalues 2+  0 5+ -2 -4 -4  0  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,425,-2250] [a1,a2,a3,a4,a6]
Generators [9:48:1] Generators of the group modulo torsion
j 2122416/1775 j-invariant
L 3.7102255809041 L(r)(E,1)/r!
Ω 0.73308665346507 Real period
R 2.5305504904277 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 14200c1 113600bv1 5680a1 Quadratic twists by: -4 8 5


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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