Cremona's table of elliptic curves

931 = 7² · 19

Field	Data	Notes
Atkin-Lehner	7+ 19-	Signs for the Atkin-Lehner involutions
Class	931a	Isogeny class
Conductor	931	Conductor
∏ cp	3	Product of Tamagawa factors cp
deg	546	Modular degree for the optimal curve
Δ	-109531219 = -1 · 78 · 19	Discriminant
Eigenvalues	2  2  3 7+  4 -6 -7 19-	Hecke eigenvalues for primes up to 20
Equation	[0,-1,1,-114,727]	[a1,a2,a3,a4,a6]
j	-28672/19	j-invariant
L	5.2002289037373	L(r)(E,1)/r!
Ω	1.7334096345791	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	14896y1 59584k1 8379e1 23275g1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 931a1

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	2	3	+	4	-6	-7	-	3	0	0	-2	-4	5	4	6	8	-2	8	-2	10	12	-3	-8	4

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Quadratic twists for elliptic curve 931a1

-4	8	-3	5	-7	-11	-19
14896y1	59584k1	8379e1	23275g1	931c1	112651b1	17689c1

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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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