Cremona's table of elliptic curves

7688 = 2³ · 31²

Field	Data	Notes
Atkin-Lehner	2+ 31-	Signs for the Atkin-Lehner involutions
Class	7688c	Isogeny class
Conductor	7688	Conductor
∏ cp	8	Product of Tamagawa factors cp
deg	7680	Modular degree for the optimal curve
Δ	-440201825776 = -1 · 24 · 317	Discriminant
Eigenvalues	2+  2  1 -3  2  2  6  1	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-320,-31891]	[a1,a2,a3,a4,a6]
j	-256/31	j-invariant
L	3.3369811384891	L(r)(E,1)/r!
Ω	0.41712264231114	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	15376m1 61504x1 69192bi1 248a1	Quadratic twists by: -4 8 -3 -31

Hecke Eigenvalues for elliptic curve 7688c1

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	1	-3	2	2	6	1	6	-4	-	2	7	-4	8	-8	3	6	-12	3	10	12	-2	16	-7

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Quadratic twists for elliptic curve 7688c1

-4	8	-3	-31
15376m1	61504x1	69192bi1	248a1

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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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