Cremona's table of elliptic curves

20460 = 2² · 3 · 5 · 11 · 31

Field	Data	Notes
Atkin-Lehner	2- 3- 5+ 11- 31-	Signs for the Atkin-Lehner involutions
Class	20460i	Isogeny class
Conductor	20460	Conductor
∏ cp	216	Product of Tamagawa factors cp
Δ	6405681126240000 = 28 · 36 · 54 · 116 · 31	Discriminant
Eigenvalues	2- 3- 5+  2 11- -4  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-109436,13355364]	[a1,a2,a3,a4,a6]
Generators	[-380:462:1]	Generators of the group modulo torsion
j	566198021612922064/25022191899375	j-invariant
L	6.2952523738841	L(r)(E,1)/r!
Ω	0.41861455227903	Real period
R	2.506383792127	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	6	Number of elements in the torsion subgroup
Twists	81840bn2 61380o2 102300j2	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 20460i2

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

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Quadratic twists for elliptic curve 20460i2

-4	-3	5
81840bn2	61380o2	102300j2

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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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