Cremona's table of elliptic curves

Curve 72128bc2

72128 = 26 · 72 · 23



Data for elliptic curve 72128bc2

Field Data Notes
Atkin-Lehner 2- 7- 23+ Signs for the Atkin-Lehner involutions
Class 72128bc Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 166906878032871424 = 219 · 712 · 23 Discriminant
Eigenvalues 2-  0 -2 7- -4  4  8  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-746956,247700880] [a1,a2,a3,a4,a6]
Generators [469:735:1] Generators of the group modulo torsion
j 1494447319737/5411854 j-invariant
L 4.7369683099326 L(r)(E,1)/r!
Ω 0.32381878918155 Real period
R 3.6571135370398 Regulator
r 1 Rank of the group of rational points
S 1.0000000000164 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128l2 18032p2 10304q2 Quadratic twists by: -4 8 -7


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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