Cremona's table of elliptic curves

Curve 72128s1

72128 = 26 · 72 · 23



Data for elliptic curve 72128s1

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128s Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 98304 Modular degree for the optimal curve
Δ -761043877888 = -1 · 222 · 73 · 232 Discriminant
Eigenvalues 2+  2 -2 7-  0  0 -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-13729,625185] [a1,a2,a3,a4,a6]
Generators [72:69:1] Generators of the group modulo torsion
j -3183010111/8464 j-invariant
L 7.3601000593803 L(r)(E,1)/r!
Ω 0.90112690952904 Real period
R 2.0419155115862 Regulator
r 1 Rank of the group of rational points
S 1.0000000002011 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bo1 2254e1 72128v1 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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