Cremona's table of elliptic curves

Curve 84987a1

84987 = 32 · 7 · 19 · 71



Data for elliptic curve 84987a1

Field Data Notes
Atkin-Lehner 3+ 7- 19- 71+ Signs for the Atkin-Lehner involutions
Class 84987a Isogeny class
Conductor 84987 Conductor
∏ cp 20 Product of Tamagawa factors cp
deg 124800 Modular degree for the optimal curve
Δ -8479047011211 = -1 · 39 · 75 · 192 · 71 Discriminant
Eigenvalues  1 3+  1 7-  5 -1  0 19- Hecke eigenvalues for primes up to 20
Equation [1,-1,0,741,-140068] [a1,a2,a3,a4,a6]
Generators [152:1786:1] Generators of the group modulo torsion
j 2284322013/430780217 j-invariant
L 9.8421621971845 L(r)(E,1)/r!
Ω 0.34649866031124 Real period
R 1.4202309160427 Regulator
r 1 Rank of the group of rational points
S 1.0000000002394 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 84987f1 Quadratic twists by: -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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