Cremona's table of elliptic curves

20832 = 2⁵ · 3 · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7+ 31-	Signs for the Atkin-Lehner involutions
Class	20832f	Isogeny class
Conductor	20832	Conductor
∏ cp	8	Product of Tamagawa factors cp
Δ	3418173759877632 = 29 · 310 · 76 · 312	Discriminant
Eigenvalues	2+ 3+ -4 7+ -2  2 -2 -2	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-633400,-193796984]	[a1,a2,a3,a4,a6]
j	54889416482350564808/6676120624761	j-invariant
L	0.33846451855346	L(r)(E,1)/r!
Ω	0.16923225927673	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	20832t2 41664du2 62496bn2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 20832f2

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

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Quadratic twists for elliptic curve 20832f2

-4	8	-3
20832t2	41664du2	62496bn2

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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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