Cremona's table of elliptic curves

19680 = 2⁵ · 3 · 5 · 41

Field	Data	Notes
Atkin-Lehner	2+ 3- 5+ 41+	Signs for the Atkin-Lehner involutions
Class	19680h	Isogeny class
Conductor	19680	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	-141171724800000 = -1 · 212 · 38 · 55 · 412	Discriminant
Eigenvalues	2+ 3- 5+  0  6  4 -4 -6	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,12239,239039]	[a1,a2,a3,a4,a6]
j	49495541909696/34465753125	j-invariant
L	2.9411486268447	L(r)(E,1)/r!
Ω	0.36764357835558	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	19680n2 39360j1 59040bx2 98400bt2	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 19680h2

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	6	4	-4	-6	0	6	-8	6	+	4	-12	8	-4	10	16	6	2	6	12	-2	-8

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Quadratic twists for elliptic curve 19680h2

-4	8	-3	5
19680n2	39360j1	59040bx2	98400bt2

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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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