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	20400bn	Isogeny class
Conductor	20400	Conductor
∏ cp	60	Product of Tamagawa factors cp
deg	13440	Modular degree for the optimal curve
Δ	5287680000 = 211 · 35 · 54 · 17	Discriminant
Eigenvalues	2+ 3- 5-  1 -1  0 17+ -3	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1808,28788]	[a1,a2,a3,a4,a6]
Generators	[-2:180:1]	Generators of the group modulo torsion
j	510915650/4131	j-invariant
L	6.3715913575655	L(r)(E,1)/r!
Ω	1.3662084768441	Real period
R	0.077728392915596	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	10200be1 81600gy1 61200co1 20400g1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20400bn1

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
+	-	-	1	-1	0	+	-3	-4	-8	11	7	2	-1	-11	-3	0	-2	13	-2	14	15	-4	-2	-2

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Quadratic twists for elliptic curve 20400bn1

-4	8	-3	5
10200be1	81600gy1	61200co1	20400g1

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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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