Cremona's table of elliptic curves

Curve 72128w2

72128 = 26 · 72 · 23



Data for elliptic curve 72128w2

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128w Isogeny class
Conductor 72128 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 25581728911327232 = 223 · 78 · 232 Discriminant
Eigenvalues 2+ -2 -2 7-  2 -4  6  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-545729,-155163233] [a1,a2,a3,a4,a6]
Generators [-421:384:1] Generators of the group modulo torsion
j 582810602977/829472 j-invariant
L 3.1295053076143 L(r)(E,1)/r!
Ω 0.17566787573169 Real period
R 2.2268622645481 Regulator
r 1 Rank of the group of rational points
S 0.99999999972284 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bj2 2254f2 10304d2 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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