Cremona's table of elliptic curves

7904 = 2⁵ · 13 · 19

Field	Data	Notes
Atkin-Lehner	2+ 13+ 19+	Signs for the Atkin-Lehner involutions
Class	7904a	Isogeny class
Conductor	7904	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	2432	Modular degree for the optimal curve
Δ	-13152256 = -1 · 212 · 132 · 19	Discriminant
Eigenvalues	2+  2 -3  1  1 13+ -3 19+	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-237,-1339]	[a1,a2,a3,a4,a6]
Generators	[20:39:1]	Generators of the group modulo torsion
j	-360944128/3211	j-invariant
L	5.0332549490857	L(r)(E,1)/r!
Ω	0.60785410891771	Real period
R	2.0700916861644	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	7904b1 15808y1 71136bb1 102752m1	Quadratic twists by: -4 8 -3 13

Hecke Eigenvalues for elliptic curve 7904a1

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
+	2	-3	1	1	+	-3	+	4	10	8	-6	-12	-1	-1	-6	0	-13	12	16	-9	8	-4	0	8

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Quadratic twists for elliptic curve 7904a1

-4	8	-3	13
7904b1	15808y1	71136bb1	102752m1

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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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