Cremona's table of elliptic curves

Curve 28644b1

28644 = 22 · 3 · 7 · 11 · 31



Data for elliptic curve 28644b1

Field Data Notes
Atkin-Lehner 2- 3+ 7+ 11+ 31- Signs for the Atkin-Lehner involutions
Class 28644b Isogeny class
Conductor 28644 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 440640 Modular degree for the optimal curve
Δ -2084196008191562496 = -1 · 28 · 317 · 75 · 112 · 31 Discriminant
Eigenvalues 2- 3+ -3 7+ 11+ -1 -6 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-82797,70089129] [a1,a2,a3,a4,a6]
Generators [880:26037:1] Generators of the group modulo torsion
j -245206961444036608/8141390656998291 j-invariant
L 2.5482504004573 L(r)(E,1)/r!
Ω 0.21783757737969 Real period
R 5.8489688306065 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 114576ch1 85932bc1 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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