Cremona's table of elliptic curves

Curve 85680a2

85680 = 24 · 32 · 5 · 7 · 17



Data for elliptic curve 85680a2

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7+ 17+ Signs for the Atkin-Lehner involutions
Class 85680a Isogeny class
Conductor 85680 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -69121140480 = -1 · 28 · 33 · 5 · 76 · 17 Discriminant
Eigenvalues 2+ 3+ 5+ 7+  4 -4 17+  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,1017,-2042] [a1,a2,a3,a4,a6]
Generators [66:665:8] Generators of the group modulo torsion
j 16829950608/10000165 j-invariant
L 6.3608738274351 L(r)(E,1)/r!
Ω 0.64140007407878 Real period
R 4.9585851988208 Regulator
r 1 Rank of the group of rational points
S 0.99999999995849 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42840b2 85680f2 Quadratic twists by: -4 -3


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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