Cremona's table of elliptic curves

Curve 21045d1

21045 = 3 · 5 · 23 · 61



Data for elliptic curve 21045d1

Field Data Notes
Atkin-Lehner 3+ 5- 23- 61- Signs for the Atkin-Lehner involutions
Class 21045d Isogeny class
Conductor 21045 Conductor
∏ cp 60 Product of Tamagawa factors cp
deg 96000 Modular degree for the optimal curve
Δ -65231279296875 = -1 · 32 · 510 · 233 · 61 Discriminant
Eigenvalues -2 3+ 5- -3 -3  1 -2  2 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-12390,662006] [a1,a2,a3,a4,a6]
Generators [-16201838245:145731662477:158340421] [-48:1069:1] Generators of the group modulo torsion
j -210364611588960256/65231279296875 j-invariant
L 3.4634787705014 L(r)(E,1)/r!
Ω 0.58656219652047 Real period
R 0.098411807848301 Regulator
r 2 Rank of the group of rational points
S 0.99999999999955 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 63135e1 105225l1 Quadratic twists by: -3 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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