Cremona's table of elliptic curves

Curve 7280a4

7280 = 24 · 5 · 7 · 13



Data for elliptic curve 7280a4

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 7280a Isogeny class
Conductor 7280 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 159810560 = 210 · 5 · 74 · 13 Discriminant
Eigenvalues 2+  0 5+ 7+  0 13+  6 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1403,20218] [a1,a2,a3,a4,a6]
Generators [-27:196:1] Generators of the group modulo torsion
j 298261205316/156065 j-invariant
L 3.5270763286639 L(r)(E,1)/r!
Ω 1.7956505961586 Real period
R 0.98211654767614 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 3640c3 29120ce4 65520bc4 36400l4 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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