Cremona's table of elliptic curves

123840 = 2⁶ · 3² · 5 · 43

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 43+	Signs for the Atkin-Lehner involutions
Class	123840b	Isogeny class
Conductor	123840	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	139818436463001600 = 215 · 33 · 52 · 436	Discriminant
Eigenvalues	2+ 3+ 5+  2 -2  6  4 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-321228,67727152]	[a1,a2,a3,a4,a6]
Generators	[24:7748:1]	Generators of the group modulo torsion
j	4143336389555544/158034076225	j-invariant
L	7.2352861117954	L(r)(E,1)/r!
Ω	0.32455763161908	Real period
R	5.5731905223053	Regulator
r	1	Rank of the group of rational points
S	1.0000000063398	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	123840l2 61920h2 123840q2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 123840b2

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	-2	6	4	-4	0	-2	-4	-8	-8	+	-8	2	6	4	12	0	10	8	-14	-6	-2

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Quadratic twists for elliptic curve 123840b2

-4	8	-3
123840l2	61920h2	123840q2

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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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