Cremona's table of elliptic curves

Curve 123840dh1

123840 = 26 · 32 · 5 · 43



Data for elliptic curve 123840dh1

Field Data Notes
Atkin-Lehner 2+ 3- 5- 43- Signs for the Atkin-Lehner involutions
Class 123840dh Isogeny class
Conductor 123840 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 737280 Modular degree for the optimal curve
Δ -36563140800 = -1 · 26 · 312 · 52 · 43 Discriminant
Eigenvalues 2+ 3- 5-  4  1 -5  3  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-648012,200781034] [a1,a2,a3,a4,a6]
j -645008376471556096/783675 j-invariant
L 2.9390650163314 L(r)(E,1)/r!
Ω 0.73476643553644 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 123840gc1 1935g1 41280bg1 Quadratic twists by: -4 8 -3


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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