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	19680f	Isogeny class
Conductor	19680	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	42240	Modular degree for the optimal curve
Δ	-60242451148800 = -1 · 212 · 315 · 52 · 41	Discriminant
Eigenvalues	2+ 3+ 5- -2 -1  2 -5  2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-9485,-512475]	[a1,a2,a3,a4,a6]
j	-23042073442816/14707629675	j-invariant
L	0.94045027661948	L(r)(E,1)/r!
Ω	0.23511256915487	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	19680l1 39360ck1 59040bp1 98400cl1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 19680f1

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	2	-5	2	-4	-9	3	-9	+	5	3	-6	0	1	8	-9	3	4	-8	-2	12

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Quadratic twists for elliptic curve 19680f1

-4	8	-3	5
19680l1	39360ck1	59040bp1	98400cl1

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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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