Cremona's table of elliptic curves

Curve 85400a1

85400 = 23 · 52 · 7 · 61



Data for elliptic curve 85400a1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 61+ Signs for the Atkin-Lehner involutions
Class 85400a Isogeny class
Conductor 85400 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ 239120000000 = 210 · 57 · 72 · 61 Discriminant
Eigenvalues 2+  0 5+ 7+  2  2  6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2075,27750] [a1,a2,a3,a4,a6]
Generators [14:38:1] Generators of the group modulo torsion
j 61752996/14945 j-invariant
L 6.7662586791168 L(r)(E,1)/r!
Ω 0.92908892746672 Real period
R 3.6413407171431 Regulator
r 1 Rank of the group of rational points
S 0.99999999944637 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 17080h1 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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