Cremona's table of elliptic curves

20604 = 2² · 3 · 17 · 101

Field	Data	Notes
Atkin-Lehner	2- 3+ 17+ 101-	Signs for the Atkin-Lehner involutions
Class	20604b	Isogeny class
Conductor	20604	Conductor
∏ cp	24	Product of Tamagawa factors cp
Δ	-6792397056 = -1 · 28 · 32 · 172 · 1012	Discriminant
Eigenvalues	2- 3+ -2  4  0  2 17+  4	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-524,6264]	[a1,a2,a3,a4,a6]
Generators	[-10:102:1]	Generators of the group modulo torsion
j	-62273912272/26532801	j-invariant
L	4.4669929923747	L(r)(E,1)/r!
Ω	1.2468848561093	Real period
R	0.59708707537402	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	82416m2 61812c2	Quadratic twists by: -4 -3

Hecke Eigenvalues for elliptic curve 20604b2

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	+	4	-6	2	-2	2	-10	8	8	-2	-10	14	-10	2	-6	10	-10	-10	-6

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Quadratic twists for elliptic curve 20604b2

-4	-3
82416m2	61812c2

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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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