Cremona's table of elliptic curves

Curve 78400ey1

78400 = 26 · 52 · 72



Data for elliptic curve 78400ey1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 78400ey Isogeny class
Conductor 78400 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 7680 Modular degree for the optimal curve
Δ -392000 = -1 · 26 · 53 · 72 Discriminant
Eigenvalues 2+ -1 5- 7-  4  2 -6  6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,12,22] [a1,a2,a3,a4,a6]
Generators [7:20:1] Generators of the group modulo torsion
j 448 j-invariant
L 5.9740532089552 L(r)(E,1)/r!
Ω 2.0860442077182 Real period
R 1.4319095418208 Regulator
r 1 Rank of the group of rational points
S 0.99999999959351 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400eo1 39200cs1 78400en1 78400dq1 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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