Cremona's table of elliptic curves

Curve 17640v2

17640 = 23 · 32 · 5 · 72



Data for elliptic curve 17640v2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7- Signs for the Atkin-Lehner involutions
Class 17640v Isogeny class
Conductor 17640 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -123997863696618240 = -1 · 28 · 324 · 5 · 73 Discriminant
Eigenvalues 2+ 3- 5+ 7- -4  2 -6  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-411663,-103064542] [a1,a2,a3,a4,a6]
Generators [931553:47044348:343] Generators of the group modulo torsion
j -120527903507632/1937102445 j-invariant
L 4.2306108716672 L(r)(E,1)/r!
Ω 0.094149821906939 Real period
R 11.233719793567 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 35280bp2 5880y2 88200hc2 17640bi2 Quadratic twists by: -4 -3 5 -7


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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