Cremona's table of elliptic curves

Curve 78400i1

78400 = 26 · 52 · 72



Data for elliptic curve 78400i1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ Signs for the Atkin-Lehner involutions
Class 78400i Isogeny class
Conductor 78400 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 391680 Modular degree for the optimal curve
Δ 3073280000000000 = 217 · 510 · 74 Discriminant
Eigenvalues 2+  2 5+ 7+ -4 -2  3  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-40833,-1710463] [a1,a2,a3,a4,a6]
Generators [-79:1008:1] Generators of the group modulo torsion
j 2450 j-invariant
L 8.7166674839619 L(r)(E,1)/r!
Ω 0.34806185527657 Real period
R 2.0869536433467 Regulator
r 1 Rank of the group of rational points
S 1.0000000000239 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400gl1 9800y1 78400dw1 78400cx1 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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