Cremona's table of elliptic curves

Curve 720a1

720 = 24 · 32 · 5



Data for elliptic curve 720a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ Signs for the Atkin-Lehner involutions
Class 720a Isogeny class
Conductor 720 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 64 Modular degree for the optimal curve
Δ -138240 = -1 · 210 · 33 · 5 Discriminant
Eigenvalues 2+ 3+ 5+ -2 -2  4 -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-3,18] [a1,a2,a3,a4,a6]
Generators [1:4:1] Generators of the group modulo torsion
j -108/5 j-invariant
L 2.0753361000822 L(r)(E,1)/r!
Ω 2.71755266091 Real period
R 0.38183916910505 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 360b1 2880w1 720b1 3600d1 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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