Cremona's table of elliptic curves

Curve 1225i2

1225 = 52 · 72



Data for elliptic curve 1225i2

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
Δ -3861966294921875 = -1 · 59 · 711 Discriminant
Eigenvalues  2 -1 5- 7- -3 -1 -7  0 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-181708,-29902307] [a1,a2,a3,a4,a6]
Generators [818186:261653871:8] Generators of the group modulo torsion
j -2887553024/16807 j-invariant
L 3.9592512237337 L(r)(E,1)/r!
Ω 0.1155778828619 Real period
R 8.5640330262503 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 19600ds2 78400ej2 11025bq2 1225j2 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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