Cremona's table of elliptic curves

2318 = 2 · 19 · 61

Field	Data	Notes
Atkin-Lehner	2+ 19- 61+	Signs for the Atkin-Lehner involutions
Class	2318a	Isogeny class
Conductor	2318	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	2016	Modular degree for the optimal curve
Δ	-5772673024 = -1 · 218 · 192 · 61	Discriminant
Eigenvalues	2+  2  3 -3  1 -3  6 19-	Hecke eigenvalues for primes up to 20
Equation	[1,1,0,-196,-3888]	[a1,a2,a3,a4,a6]
j	-839362385737/5772673024	j-invariant
L	2.2651481176749	L(r)(E,1)/r!
Ω	0.56628702941873	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	18544f1 74176e1 20862v1 57950bm1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 2318a1

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	-3	1	-3	6	-	3	8	-4	6	7	-4	8	10	5	+	-3	12	13	1	-6	0	2

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Quadratic twists for elliptic curve 2318a1

-4	8	-3	5	-7	-19
18544f1	74176e1	20862v1	57950bm1	113582b1	44042g1

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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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