Cremona's table of elliptic curves

Curve 72128v1

72128 = 26 · 72 · 23



Data for elliptic curve 72128v1

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128v Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 688128 Modular degree for the optimal curve
Δ -89536051189645312 = -1 · 222 · 79 · 232 Discriminant
Eigenvalues 2+ -2  2 7-  0  0  2  4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-672737,-213092993] [a1,a2,a3,a4,a6]
Generators [3352272914:739223174437:68921] Generators of the group modulo torsion
j -3183010111/8464 j-invariant
L 5.5540204588696 L(r)(E,1)/r!
Ω 0.083337218774032 Real period
R 16.661284541087 Regulator
r 1 Rank of the group of rational points
S 0.99999999989951 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bi1 2254d1 72128s1 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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