Cremona's table of elliptic curves

Curve 18400b1

18400 = 25 · 52 · 23



Data for elliptic curve 18400b1

Field Data Notes
Atkin-Lehner 2+ 5+ 23+ Signs for the Atkin-Lehner involutions
Class 18400b Isogeny class
Conductor 18400 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 5376 Modular degree for the optimal curve
Δ 2355200 = 212 · 52 · 23 Discriminant
Eigenvalues 2+  0 5+  3 -5 -1  4 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1340,18880] [a1,a2,a3,a4,a6]
Generators [21:1:1] Generators of the group modulo torsion
j 2598592320/23 j-invariant
L 4.9107400903452 L(r)(E,1)/r!
Ω 2.3287212552172 Real period
R 1.0543855515862 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 18400f1 36800bz1 18400v1 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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