Cremona's table of elliptic curves

Curve 127680c1

127680 = 26 · 3 · 5 · 7 · 19



Data for elliptic curve 127680c1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7+ 19+ Signs for the Atkin-Lehner involutions
Class 127680c Isogeny class
Conductor 127680 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ -4085760000 = -1 · 214 · 3 · 54 · 7 · 19 Discriminant
Eigenvalues 2+ 3+ 5+ 7+  4 -2 -6 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,399,-399] [a1,a2,a3,a4,a6]
Generators [65:544:1] Generators of the group modulo torsion
j 427694384/249375 j-invariant
L 4.8146436219944 L(r)(E,1)/r!
Ω 0.81994583154478 Real period
R 2.9359523081868 Regulator
r 1 Rank of the group of rational points
S 0.99999998101009 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 127680fp1 15960j1 Quadratic twists by: -4 8


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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