Cremona's table of elliptic curves

Curve 85200a1

85200 = 24 · 3 · 52 · 71



Data for elliptic curve 85200a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 71+ Signs for the Atkin-Lehner involutions
Class 85200a Isogeny class
Conductor 85200 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 98304 Modular degree for the optimal curve
Δ -207036000000 = -1 · 28 · 36 · 56 · 71 Discriminant
Eigenvalues 2+ 3+ 5+  2  4 -2 -4  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-308,-21888] [a1,a2,a3,a4,a6]
Generators [2192:102600:1] Generators of the group modulo torsion
j -810448/51759 j-invariant
L 6.6094831933547 L(r)(E,1)/r!
Ω 0.44061579136185 Real period
R 3.7501397635186 Regulator
r 1 Rank of the group of rational points
S 0.99999999922438 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42600bf1 3408c1 Quadratic twists by: -4 5


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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