Cremona's table of elliptic curves

21294 = 2 · 3² · 7 · 13²

Field	Data	Notes
Atkin-Lehner	2- 3- 7- 13+	Signs for the Atkin-Lehner involutions
Class	21294cr	Isogeny class
Conductor	21294	Conductor
∏ cp	3	Product of Tamagawa factors cp
deg	56160	Modular degree for the optimal curve
Δ	-8325347738526 = -1 · 2 · 36 · 7 · 138	Discriminant
Eigenvalues	2- 3- -3 7-  0 13+ -6 -4	Hecke eigenvalues for primes up to 20
Equation	[1,-1,1,4531,72947]	[a1,a2,a3,a4,a6]
j	17303/14	j-invariant
L	1.4243153273256	L(r)(E,1)/r!
Ω	0.47477177577519	Real period
R	1	Regulator
r	0	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	2366d1 21294s1	Quadratic twists by: -3 13

Hecke Eigenvalues for elliptic curve 21294cr1

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	+	-6	-4	-3	-6	-10	8	0	8	-6	-12	-3	11	2	3	2	-4	0	6	2

---

Quadratic twists for elliptic curve 21294cr1

-3	13
2366d1	21294s1

---

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