Cremona's table of elliptic curves

20400 = 2⁴ · 3 · 5² · 17

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 17+	Signs for the Atkin-Lehner involutions
Class	20400c	Isogeny class
Conductor	20400	Conductor
∏ cp	32	Product of Tamagawa factors cp
Δ	180689940000000000 = 211 · 312 · 510 · 17	Discriminant
Eigenvalues	2+ 3+ 5+ -4 -4 -2 17+  4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-170008,-17541488]	[a1,a2,a3,a4,a6]
Generators	[-272:2916:1]	Generators of the group modulo torsion
j	16981825082402/5646560625	j-invariant
L	2.919026216661	L(r)(E,1)/r!
Ω	0.24139392004018	Real period
R	1.5115470887663	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	10200p3 81600ig3 61200cb3 4080q4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20400c4

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	-4	-2	+	4	0	-2	0	2	6	-8	8	-6	0	14	0	-12	2	-8	4	2	-14

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Quadratic twists for elliptic curve 20400c4

-4	8	-3	5
10200p3	81600ig3	61200cb3	4080q4

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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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