Cremona's table of elliptic curves

Curve 39816a1

39816 = 23 · 32 · 7 · 79



Data for elliptic curve 39816a1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 79- Signs for the Atkin-Lehner involutions
Class 39816a Isogeny class
Conductor 39816 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 7936 Modular degree for the optimal curve
Δ -3822336 = -1 · 28 · 33 · 7 · 79 Discriminant
Eigenvalues 2+ 3+ -3 7-  0  4  6  6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,36,-44] [a1,a2,a3,a4,a6]
Generators [2:6:1] Generators of the group modulo torsion
j 746496/553 j-invariant
L 5.6948921444021 L(r)(E,1)/r!
Ω 1.3913339536333 Real period
R 0.511639578831 Regulator
r 1 Rank of the group of rational points
S 1.0000000000001 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 79632b1 39816f1 Quadratic twists by: -4 -3


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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