Cremona's table of elliptic curves

Curve 85400ba1

85400 = 23 · 52 · 7 · 61



Data for elliptic curve 85400ba1

Field Data Notes
Atkin-Lehner 2- 5+ 7- 61- Signs for the Atkin-Lehner involutions
Class 85400ba Isogeny class
Conductor 85400 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 81408 Modular degree for the optimal curve
Δ -42700000000 = -1 · 28 · 58 · 7 · 61 Discriminant
Eigenvalues 2-  2 5+ 7-  0  0  5 -6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-4033,100437] [a1,a2,a3,a4,a6]
j -1814078464/10675 j-invariant
L 4.5931375247131 L(r)(E,1)/r!
Ω 1.1482843855351 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 17080a1 Quadratic twists by: 5


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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