Cremona's table of elliptic curves

Curve 6240a4

6240 = 25 · 3 · 5 · 13



Data for elliptic curve 6240a4

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 13+ Signs for the Atkin-Lehner involutions
Class 6240a Isogeny class
Conductor 6240 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -336960000 = -1 · 29 · 34 · 54 · 13 Discriminant
Eigenvalues 2+ 3+ 5+  0  0 13+  2 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,64,840] [a1,a2,a3,a4,a6]
Generators [29:162:1] Generators of the group modulo torsion
j 55742968/658125 j-invariant
L 3.1380764817172 L(r)(E,1)/r!
Ω 1.2618541843967 Real period
R 2.4868772640457 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 6240ba4 12480bh4 18720bj4 31200cb2 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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