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	24	Product of Tamagawa factors cp
Δ	2027649937500000000 = 28 · 32 · 512 · 112 · 313	Discriminant
Eigenvalues	2- 3- 5+  2 11- -4  0  2	Hecke eigenvalues for primes up to 20
Equation	[0,1,0,-1372676,-615668460]	[a1,a2,a3,a4,a6]
Generators	[-89905:31878:125]	Generators of the group modulo torsion
j	1117347302108443814224/7920507568359375	j-invariant
L	6.2952523738841	L(r)(E,1)/r!
Ω	0.13953818409301	Real period
R	7.5191513763811	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	81840bn4 61380o4 102300j4	Quadratic twists by: -4 -3 5

Hecke Eigenvalues for elliptic curve 20460i4

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 20460i4

-4	-3	5
81840bn4	61380o4	102300j4

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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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