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	19680j	Isogeny class
Conductor	19680	Conductor
∏ cp	16	Product of Tamagawa factors cp
deg	21504	Modular degree for the optimal curve
Δ	15129000000 = 26 · 32 · 56 · 412	Discriminant
Eigenvalues	2+ 3- 5+ -4  0  2 -6 -4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-5126,139440]	[a1,a2,a3,a4,a6]
Generators	[-56:504:1]	Generators of the group modulo torsion
j	232789970236096/236390625	j-invariant
L	4.6507764412406	L(r)(E,1)/r!
Ω	1.2392383142411	Real period
R	3.7529314481281	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	19680d1 39360cf2 59040bv1 98400ca1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 19680j1

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

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Quadratic twists for elliptic curve 19680j1

-4	8	-3	5
19680d1	39360cf2	59040bv1	98400ca1

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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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