Cremona's table of elliptic curves

Curve 160a1

160 = 25 · 5



Data for elliptic curve 160a1

Field Data Notes
Atkin-Lehner 2+ 5+ Signs for the Atkin-Lehner involutions
Class 160a Isogeny class
Conductor 160 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 8 Modular degree for the optimal curve
Δ 320 = 26 · 5 Discriminant
Eigenvalues 2+ -2 5+ -2 -4 -6  2  8 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-6,4] [a1,a2,a3,a4,a6]
Generators [0:2:1] Generators of the group modulo torsion
j 438976/5 j-invariant
L 0.9777440810458 L(r)(E,1)/r!
Ω 5.4517057363795 Real period
R 0.35869290395528 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 160b1 320d2 1440m1 800g1 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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