Cremona's table of elliptic curves

Curve 38720bi1

38720 = 26 · 5 · 112



Data for elliptic curve 38720bi1

Field Data Notes
Atkin-Lehner 2+ 5- 11- Signs for the Atkin-Lehner involutions
Class 38720bi Isogeny class
Conductor 38720 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 92160 Modular degree for the optimal curve
Δ -204337798184960 = -1 · 221 · 5 · 117 Discriminant
Eigenvalues 2+ -1 5-  1 11-  2  3 -1 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-7905,-736415] [a1,a2,a3,a4,a6]
Generators [312:5203:1] Generators of the group modulo torsion
j -117649/440 j-invariant
L 5.4386751984555 L(r)(E,1)/r!
Ω 0.23172819640882 Real period
R 2.9337577832249 Regulator
r 1 Rank of the group of rational points
S 0.99999999999983 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 38720df1 1210c1 3520m1 Quadratic twists by: -4 8 -11


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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