Cremona's table of elliptic curves

Curve 225b2

225 = 32 · 52



Data for elliptic curve 225b2

Field Data Notes
Atkin-Lehner 3+ 5- Signs for the Atkin-Lehner involutions
Class 225b Isogeny class
Conductor 225 Conductor
∏ cp 2 Product of Tamagawa factors cp
Δ -7688671875 = -1 · 39 · 58 Discriminant
Eigenvalues  0 3+ 5-  5  0  5  0 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,1,0,-4219] [a1,a2,a3,a4,a6]
j 0 j-invariant
L 1.208363907782 L(r)(E,1)/r!
Ω 0.60418195389102 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 3600be2 14400u2 225b1 225a2 Quadratic twists by: -4 8 -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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