Cremona's table of elliptic curves

Curve 71638f3

71638 = 2 · 72 · 17 · 43



Data for elliptic curve 71638f3

Field Data Notes
Atkin-Lehner 2+ 7- 17+ 43- Signs for the Atkin-Lehner involutions
Class 71638f Isogeny class
Conductor 71638 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -7.59139278781E+25 Discriminant
Eigenvalues 2+ -1  3 7-  0 -5 17+ -2 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-766979336,8186095104832] [a1,a2,a3,a4,a6]
Generators [237334:27062025:8] Generators of the group modulo torsion
j -424117763803744534252810873/645257740211135184896 j-invariant
L 4.1904014830679 L(r)(E,1)/r!
Ω 0.061163426807705 Real period
R 8.5639443807978 Regulator
r 1 Rank of the group of rational points
S 1.0000000001208 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 10234g3 Quadratic twists by: -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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