Cremona's table of elliptic curves

Curve 128478l1

128478 = 2 · 3 · 72 · 19 · 23



Data for elliptic curve 128478l1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 19+ 23- Signs for the Atkin-Lehner involutions
Class 128478l Isogeny class
Conductor 128478 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 4300800 Modular degree for the optimal curve
Δ -1.8434736029107E+20 Discriminant
Eigenvalues 2+ 3+  1 7-  0 -1  4 19+ Hecke eigenvalues for primes up to 20
Equation [1,1,0,816903,588530853] [a1,a2,a3,a4,a6]
Generators [198134:31104329:8] Generators of the group modulo torsion
j 512443648078726391/1566926708183424 j-invariant
L 4.2645459878031 L(r)(E,1)/r!
Ω 0.12679796539561 Real period
R 4.2040756085441 Regulator
r 1 Rank of the group of rational points
S 1.0000000280315 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 18354m1 Quadratic twists by: -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
Back to Tables and computations