Cremona's table of elliptic curves

Curve 21200c1

21200 = 24 · 52 · 53



Data for elliptic curve 21200c1

Field Data Notes
Atkin-Lehner 2+ 5- 53- Signs for the Atkin-Lehner involutions
Class 21200c Isogeny class
Conductor 21200 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 9600 Modular degree for the optimal curve
Δ 5300000000 = 28 · 58 · 53 Discriminant
Eigenvalues 2+  0 5- -3  3  2  5  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-500,-2500] [a1,a2,a3,a4,a6]
Generators [25:25:1] Generators of the group modulo torsion
j 138240/53 j-invariant
L 4.5497598240457 L(r)(E,1)/r!
Ω 1.0428510194343 Real period
R 1.4542696701183 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 10600a1 84800cl1 21200a1 Quadratic twists by: -4 8 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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