Cremona's table of elliptic curves

Curve 245c2

245 = 5 · 72



Data for elliptic curve 245c2

Field Data Notes
Atkin-Lehner 5- 7- Signs for the Atkin-Lehner involutions
Class 245c Isogeny class
Conductor 245 Conductor
∏ cp 12 Product of Tamagawa factors cp
Δ -5044200875 = -1 · 53 · 79 Discriminant
Eigenvalues  0 -1 5- 7- -3 -5 -3 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,425,433] [a1,a2,a3,a4,a6]
Generators [89:857:1] Generators of the group modulo torsion
j 71991296/42875 j-invariant
L 1.2247323721514 L(r)(E,1)/r!
Ω 0.8334283977788 Real period
R 0.12245926738832 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 3920bc2 15680j2 2205g2 1225a2 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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