Cremona's table of elliptic curves

Curve 81600ec1

81600 = 26 · 3 · 52 · 17



Data for elliptic curve 81600ec1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 17- Signs for the Atkin-Lehner involutions
Class 81600ec Isogeny class
Conductor 81600 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 31104 Modular degree for the optimal curve
Δ -459000000 = -1 · 26 · 33 · 56 · 17 Discriminant
Eigenvalues 2+ 3- 5+  4  3 -1 17-  1 Hecke eigenvalues for primes up to 20
Equation [0,1,0,67,-987] [a1,a2,a3,a4,a6]
Generators [124:1389:1] Generators of the group modulo torsion
j 32768/459 j-invariant
L 10.131116252188 L(r)(E,1)/r!
Ω 0.81592362393757 Real period
R 4.138915273637 Regulator
r 1 Rank of the group of rational points
S 1.0000000004421 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 81600gt1 1275a1 3264e1 Quadratic twists by: -4 8 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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