Cremona's table of elliptic curves

1216 = 2⁶ · 19

Field	Data	Notes
Atkin-Lehner	2- 19-	Signs for the Atkin-Lehner involutions
Class	1216r	Isogeny class
Conductor	1216	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	192	Modular degree for the optimal curve
Δ	-622592 = -1 · 215 · 19	Discriminant
Eigenvalues	2- -3  0 -1 -2  1  3 19-	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,20,16]	[a1,a2,a3,a4,a6]
Generators	[2:8:1]	Generators of the group modulo torsion
j	27000/19	j-invariant
L	1.6537868424952	L(r)(E,1)/r!
Ω	1.8298787726747	Real period
R	0.2259421316853	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	1216m1 608c1 10944cg1 30400bw1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 1216r1

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
-	-3	0	-1	-2	1	3	-	3	-3	8	10	-12	-8	-8	9	5	-10	-7	-10	1	-14	-6	-4	-6

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Quadratic twists for elliptic curve 1216r1

-4	8	-3	5	-7	-19
1216m1	608c1	10944cg1	30400bw1	59584cu1	23104cb1

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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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