Cremona's table of elliptic curves

Curve 13640a2

13640 = 23 · 5 · 11 · 31



Data for elliptic curve 13640a2

Field Data Notes
Atkin-Lehner 2+ 5+ 11+ 31+ Signs for the Atkin-Lehner involutions
Class 13640a Isogeny class
Conductor 13640 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 96025600 = 210 · 52 · 112 · 31 Discriminant
Eigenvalues 2+  0 5+  0 11+ -6  2  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-643,-6258] [a1,a2,a3,a4,a6]
Generators [31:60:1] Generators of the group modulo torsion
j 28711552356/93775 j-invariant
L 3.7478443312793 L(r)(E,1)/r!
Ω 0.94827018317108 Real period
R 1.9761479364174 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 27280c2 109120m2 122760ca2 68200o2 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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