Cremona's table of elliptic curves

1421 = 7² · 29

Field	Data	Notes
Atkin-Lehner	7+ 29+	Signs for the Atkin-Lehner involutions
Class	1421a	Isogeny class
Conductor	1421	Conductor
∏ cp	3	Product of Tamagawa factors cp
Δ	140597731589 = 78 · 293	Discriminant
Eigenvalues	0 -2 -3 7+  6 -1  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,1,-3887,-92823]	[a1,a2,a3,a4,a6]
Generators	[-33:24:1]	Generators of the group modulo torsion
j	1126924288/24389	j-invariant
L	1.4075470645197	L(r)(E,1)/r!
Ω	0.60542233727116	Real period
R	0.77496703698558	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	22736q2 90944k2 12789c2 35525a2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1421a2

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
0	-2	-3	+	6	-1	0	2	0	+	2	-10	-12	8	6	9	-12	2	-4	9	2	-10	-3	-6	8

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Quadratic twists for elliptic curve 1421a2

-4	8	-3	5	-7	29
22736q2	90944k2	12789c2	35525a2	1421c2	41209a2

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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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