Cremona's table of elliptic curves

Curve 81466q1

81466 = 2 · 7 · 11 · 232



Data for elliptic curve 81466q1

Field Data Notes
Atkin-Lehner 2+ 7- 11+ 23- Signs for the Atkin-Lehner involutions
Class 81466q Isogeny class
Conductor 81466 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 197120 Modular degree for the optimal curve
Δ -2006182367728 = -1 · 24 · 7 · 112 · 236 Discriminant
Eigenvalues 2+  2 -2 7- 11+ -4  0 -4 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-7681,264741] [a1,a2,a3,a4,a6]
Generators [105:741:1] Generators of the group modulo torsion
j -338608873/13552 j-invariant
L 4.9922186297462 L(r)(E,1)/r!
Ω 0.82229034415651 Real period
R 1.517778562493 Regulator
r 1 Rank of the group of rational points
S 1.0000000007458 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 154c1 Quadratic twists by: -23


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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