Cremona's table of elliptic curves

12240 = 2⁴ · 3² · 5 · 17

Field	Data	Notes
Atkin-Lehner	2- 3+ 5- 17+	Signs for the Atkin-Lehner involutions
Class	12240bi	Isogeny class
Conductor	12240	Conductor
∏ cp	80	Product of Tamagawa factors cp
deg	30720	Modular degree for the optimal curve
Δ	-25568870400000 = -1 · 220 · 33 · 55 · 172	Discriminant
Eigenvalues	2- 3+ 5-  4  2 -6 17+  0	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-1227,-243846]	[a1,a2,a3,a4,a6]
Generators	[103:850:1]	Generators of the group modulo torsion
j	-1847284083/231200000	j-invariant
L	5.6482104115303	L(r)(E,1)/r!
Ω	0.29745369018352	Real period
R	0.9494268516295	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	1530j1 48960dm1 12240be1 61200du1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 12240bi1

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

---

Quadratic twists for elliptic curve 12240bi1

-4	8	-3	5
1530j1	48960dm1	12240be1	61200du1

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations