Cremona's table of elliptic curves

Curve 78400hb1

78400 = 26 · 52 · 72



Data for elliptic curve 78400hb1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400hb Isogeny class
Conductor 78400 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 20736 Modular degree for the optimal curve
Δ 40140800 = 215 · 52 · 72 Discriminant
Eigenvalues 2-  0 5+ 7-  6 -4 -7  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-140,560] [a1,a2,a3,a4,a6]
Generators [4:8:1] Generators of the group modulo torsion
j 7560 j-invariant
L 5.9575230873878 L(r)(E,1)/r!
Ω 1.9659256008021 Real period
R 1.5151954596115 Regulator
r 1 Rank of the group of rational points
S 0.99999999980687 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400hc1 39200i1 78400kf1 78400fx1 Quadratic twists by: -4 8 5 -7


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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