Cremona's table of elliptic curves

1239 = 3 · 7 · 59

Field	Data	Notes
Atkin-Lehner	3- 7- 59-	Signs for the Atkin-Lehner involutions
Class	1239a	Isogeny class
Conductor	1239	Conductor
∏ cp	4	Product of Tamagawa factors cp
Δ	219303 = 32 · 7 · 592	Discriminant
Eigenvalues	-1 3-  4 7-  0  4  0  4	Hecke eigenvalues for primes up to 20
Equation	[1,0,0,-41,-102]	[a1,a2,a3,a4,a6]
j	7633736209/219303	j-invariant
L	1.8897790096847	L(r)(E,1)/r!
Ω	1.8897790096847	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	19824q2 79296j2 3717c2 30975d2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1239a2

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
-1	-	4	-	0	4	0	4	-8	6	-4	-10	8	-2	-8	2	-	-12	2	-10	4	-12	12	10	4

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Quadratic twists for elliptic curve 1239a2

-4	8	-3	5	-7	-59
19824q2	79296j2	3717c2	30975d2	8673c2	73101j2

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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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