Cremona's table of elliptic curves

Curve 78400hc1

78400 = 26 · 52 · 72



Data for elliptic curve 78400hc1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400hc Isogeny class
Conductor 78400 Conductor
∏ cp 4 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 [-6:8:1] Generators of the group modulo torsion
j 7560 j-invariant
L 3.3978043610113 L(r)(E,1)/r!
Ω 1.4000571200942 Real period
R 0.60672602380715 Regulator
r 1 Rank of the group of rational points
S 1.0000000007949 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400hb1 39200h1 78400kg1 78400fy1 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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