Cremona's table of elliptic curves

21960 = 2³ · 3² · 5 · 61

Field	Data	Notes
Atkin-Lehner	2+ 3- 5+ 61-	Signs for the Atkin-Lehner involutions
Class	21960d	Isogeny class
Conductor	21960	Conductor
∏ cp	48	Product of Tamagawa factors cp
deg	344064	Modular degree for the optimal curve
Δ	7914338101233810000 = 24 · 320 · 54 · 613	Discriminant
Eigenvalues	2+ 3- 5+  0 -2 -6  0 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-516918,-46285967]	[a1,a2,a3,a4,a6]
Generators	[1784:68625:1]	Generators of the group modulo torsion
j	1309607540948125696/678526929118125	j-invariant
L	4.2307617390229	L(r)(E,1)/r!
Ω	0.1883999604943	Real period
R	1.8713564340825	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	43920l1 7320p1 109800bs1	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 21960d1

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

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Quadratic twists for elliptic curve 21960d1

-4	-3	5
43920l1	7320p1	109800bs1

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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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