Cremona's table of elliptic curves

Curve 128772a1

128772 = 22 · 32 · 72 · 73



Data for elliptic curve 128772a1

Field Data Notes
Atkin-Lehner 2- 3+ 7- 73+ Signs for the Atkin-Lehner involutions
Class 128772a Isogeny class
Conductor 128772 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 718848 Modular degree for the optimal curve
Δ -9674784841668912 = -1 · 24 · 39 · 78 · 732 Discriminant
Eigenvalues 2- 3+  2 7- -6  2 -2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-10584,4750893] [a1,a2,a3,a4,a6]
Generators [9093:169442:27] Generators of the group modulo torsion
j -3538944/261121 j-invariant
L 7.2712017463661 L(r)(E,1)/r!
Ω 0.33710402207191 Real period
R 5.3924020598943 Regulator
r 1 Rank of the group of rational points
S 1.0000000074663 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 128772b1 18396b1 Quadratic twists by: -3 -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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