Cremona's table of elliptic curves

Curve 78400iy1

78400 = 26 · 52 · 72



Data for elliptic curve 78400iy1

Field Data Notes
Atkin-Lehner 2- 5+ 7- Signs for the Atkin-Lehner involutions
Class 78400iy Isogeny class
Conductor 78400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 552960 Modular degree for the optimal curve
Δ -4014080000000 = -1 · 220 · 57 · 72 Discriminant
Eigenvalues 2-  3 5+ 7- -2  0 -4  6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-210700,37226000] [a1,a2,a3,a4,a6]
Generators [6870:8000:27] Generators of the group modulo torsion
j -5154200289/20 j-invariant
L 12.075444851575 L(r)(E,1)/r!
Ω 0.68686852692715 Real period
R 2.1975538941522 Regulator
r 1 Rank of the group of rational points
S 1.0000000002169 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400dk1 19600db1 15680cw1 78400go1 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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