Cremona's table of elliptic curves

Curve 17640n1

17640 = 23 · 32 · 5 · 72



Data for elliptic curve 17640n1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7- Signs for the Atkin-Lehner involutions
Class 17640n Isogeny class
Conductor 17640 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 30720 Modular degree for the optimal curve
Δ -29530050606000 = -1 · 24 · 316 · 53 · 73 Discriminant
Eigenvalues 2+ 3- 5+ 7-  0 -2  2  2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2478,-265727] [a1,a2,a3,a4,a6]
Generators [413:8316:1] Generators of the group modulo torsion
j -420616192/7381125 j-invariant
L 4.6169348022185 L(r)(E,1)/r!
Ω 0.28482463753662 Real period
R 4.0524363009371 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 35280ba1 5880bh1 88200fx1 17640bb1 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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