Cremona's table of elliptic curves

Curve 85680db2

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680db2

Field Data Notes
Atkin-Lehner 2- 3+ 5- 7+ 17+ Signs for the Atkin-Lehner involutions
Class 85680db Isogeny class
Conductor 85680 Conductor
∏ cp 48 Product of Tamagawa factors cp
Δ 1405687500000000 = 28 · 33 · 512 · 72 · 17 Discriminant
Eigenvalues 2- 3+ 5- 7+  6  2 17+ -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-109647,-13857814] [a1,a2,a3,a4,a6]
Generators [-178:140:1] Generators of the group modulo torsion
j 21091634831728368/203369140625 j-invariant
L 7.5345587232081 L(r)(E,1)/r!
Ω 0.26251442130975 Real period
R 2.3917920012284 Regulator
r 1 Rank of the group of rational points
S 1.0000000008042 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 21420h2 85680cr4 Quadratic twists by: -4 -3


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

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