Cremona's table of elliptic curves

Curve 1225i1

1225 = 52 · 72



Data for elliptic curve 1225i1

Field Data Notes
Atkin-Lehner 5- 7- Signs for the Atkin-Lehner involutions
Class 1225i Isogeny class
Conductor 1225 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1920 Modular degree for the optimal curve
Δ -1608482421875 = -1 · 59 · 77 Discriminant
Eigenvalues  2 -1 5- 7- -3 -1 -7  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,2042,48943] [a1,a2,a3,a4,a6]
Generators [586:6121:8] Generators of the group modulo torsion
j 4096/7 j-invariant
L 3.9592512237337 L(r)(E,1)/r!
Ω 0.57788941430952 Real period
R 1.7128066052501 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 19600ds1 78400ej1 11025bq1 1225j1 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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