Cremona's table of elliptic curves

Curve 78400gs1

78400 = 26 · 52 · 72



Data for elliptic curve 78400gs1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400gs Isogeny class
Conductor 78400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 20480 Modular degree for the optimal curve
Δ 343000000 = 26 · 56 · 73 Discriminant
Eigenvalues 2-  0 5+ 7-  0 -4 -8  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-175,0] [a1,a2,a3,a4,a6]
Generators [16:36:1] Generators of the group modulo torsion
j 1728 j-invariant
L 4.4270945461892 L(r)(E,1)/r!
Ω 1.4418255052671 Real period
R 3.0704787296612 Regulator
r 1 Rank of the group of rational points
S 1.0000000000866 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 78400gs1 39200bo2 3136v1 78400gr1 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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