Cremona's table of elliptic curves

Curve 78400ek1

78400 = 26 · 52 · 72



Data for elliptic curve 78400ek1

Field Data Notes
Atkin-Lehner 2+ 5- 7- Signs for the Atkin-Lehner involutions
Class 78400ek Isogeny class
Conductor 78400 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 138240 Modular degree for the optimal curve
Δ -38551224320000 = -1 · 219 · 54 · 76 Discriminant
Eigenvalues 2+  1 5- 7-  3 -4  3  5 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-1633,299263] [a1,a2,a3,a4,a6]
Generators [93:980:1] Generators of the group modulo torsion
j -25/2 j-invariant
L 8.050703937672 L(r)(E,1)/r!
Ω 0.53371181053074 Real period
R 1.2570304451697 Regulator
r 1 Rank of the group of rational points
S 1.0000000000331 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 78400kp1 2450p1 78400bp3 1600j1 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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