Cremona's table of elliptic curves

Curve 84987k1

84987 = 32 · 7 · 19 · 71



Data for elliptic curve 84987k1

Field Data Notes
Atkin-Lehner 3- 7- 19+ 71+ Signs for the Atkin-Lehner involutions
Class 84987k Isogeny class
Conductor 84987 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 37888 Modular degree for the optimal curve
Δ -8240084559 = -1 · 38 · 72 · 192 · 71 Discriminant
Eigenvalues -1 3-  2 7-  2  4  0 19+ Hecke eigenvalues for primes up to 20
Equation [1,-1,1,481,1478] [a1,a2,a3,a4,a6]
Generators [6:64:1] Generators of the group modulo torsion
j 16915218263/11303271 j-invariant
L 5.3673860865994 L(r)(E,1)/r!
Ω 0.82278771154921 Real period
R 1.6308538674725 Regulator
r 1 Rank of the group of rational points
S 1.00000000012 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28329e1 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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