Cremona's table of elliptic curves

Curve 18240a4

18240 = 26 · 3 · 5 · 19



Data for elliptic curve 18240a4

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 19+ Signs for the Atkin-Lehner involutions
Class 18240a Isogeny class
Conductor 18240 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 1.6904215834472E+19 Discriminant
Eigenvalues 2+ 3+ 5+  0  0  6 -2 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-1469761,657176065] [a1,a2,a3,a4,a6]
Generators [10245662271:-6640652182892:24389] Generators of the group modulo torsion
j 10715544157908977288/515875727370375 j-invariant
L 4.1167551211453 L(r)(E,1)/r!
Ω 0.21678510585468 Real period
R 18.990027497115 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 18240bf3 9120r3 54720bn3 91200cm3 Quadratic twists by: -4 8 -3 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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