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	20400d	Isogeny class
Conductor	20400	Conductor
∏ cp	64	Product of Tamagawa factors cp
Δ	-20045040000000 = -1 · 210 · 3 · 57 · 174	Discriminant
Eigenvalues	2+ 3+ 5+  0  0  2 17- -4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,5592,141312]	[a1,a2,a3,a4,a6]
j	1208446844/1252815	j-invariant
L	1.8084416474324	L(r)(E,1)/r!
Ω	0.4521104118581	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	4	Number of elements in the torsion subgroup
Twists	10200bi4 81600ik3 61200y3 4080k4	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20400d4

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	0	2	-	-4	0	10	8	6	-2	-8	0	-2	12	14	-8	-4	-6	16	4	-6	2

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Quadratic twists for elliptic curve 20400d4

-4	8	-3	5
10200bi4	81600ik3	61200y3	4080k4

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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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