Cremona's table of elliptic curves

20328 = 2³ · 3 · 7 · 11²

Field	Data	Notes
Atkin-Lehner	2+ 3- 7- 11+	Signs for the Atkin-Lehner involutions
Class	20328g	Isogeny class
Conductor	20328	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	3840	Modular degree for the optimal curve
Δ	-28621824 = -1 · 210 · 3 · 7 · 113	Discriminant
Eigenvalues	2+ 3-  2 7- 11+ -2 -4  4	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,48,240]	[a1,a2,a3,a4,a6]
Generators	[4116:51040:27]	Generators of the group modulo torsion
j	8788/21	j-invariant
L	7.3421751498388	L(r)(E,1)/r!
Ω	1.4639609963287	Real period
R	5.0152805766353	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	40656b1 60984cb1 20328u1	Quadratic twists by: -4 -3 -11

Hecke Eigenvalues for elliptic curve 20328g1

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

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Quadratic twists for elliptic curve 20328g1

-4	-3	-11
40656b1	60984cb1	20328u1

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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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