Cremona's table of elliptic curves

Conductor 21945

21945 = 3 · 5 · 7 · 11 · 19



Isogeny classes of curves of conductor 21945 [newforms of level 21945]

Class r Atkin-Lehner Eigenvalues
21945a (1 curve) 0 3+ 5+ 7+ 11+ 19-  0 3+ 5+ 7+ 11+  0  0 19-
21945b (1 curve) 0 3+ 5+ 7- 11+ 19+  1 3+ 5+ 7- 11+  1 -3 19+
21945c (1 curve) 0 3+ 5+ 7- 11+ 19+ -1 3+ 5+ 7- 11+ -1 -3 19+
21945d (2 curves) 2 3+ 5+ 7- 11+ 19+ -1 3+ 5+ 7- 11+ -6  0 19+
21945e (2 curves) 1 3+ 5+ 7- 11- 19+ -1 3+ 5+ 7- 11-  0 -6 19+
21945f (1 curve) 1 3+ 5+ 7- 11- 19+  2 3+ 5+ 7- 11- -1  0 19+
21945g (6 curves) 1 3+ 5- 7+ 11+ 19- -1 3+ 5- 7+ 11+ -2  2 19-
21945h (4 curves) 1 3+ 5- 7+ 11+ 19- -1 3+ 5- 7+ 11+ -6 -6 19-
21945i (1 curve) 0 3+ 5- 7+ 11- 19-  1 3+ 5- 7+ 11- -1 -7 19-
21945j (4 curves) 0 3+ 5- 7+ 11- 19-  1 3+ 5- 7+ 11-  2  2 19-
21945k (4 curves) 0 3+ 5- 7+ 11- 19-  1 3+ 5- 7+ 11-  2  2 19-
21945l (6 curves) 2 3+ 5- 7+ 11- 19- -1 3+ 5- 7+ 11- -2 -6 19-
21945m (4 curves) 1 3+ 5- 7- 11+ 19+  1 3+ 5- 7- 11+  2  2 19+
21945n (1 curve) 0 3+ 5- 7- 11+ 19-  0 3+ 5- 7- 11+  0  4 19-
21945o (4 curves) 0 3+ 5- 7- 11- 19+  1 3+ 5- 7- 11-  2  6 19+
21945p (2 curves) 1 3+ 5- 7- 11- 19- -1 3+ 5- 7- 11- -4 -2 19-
21945q (2 curves) 0 3- 5+ 7+ 11+ 19+ -1 3- 5+ 7+ 11+ -6  0 19+
21945r (1 curve) 0 3- 5+ 7+ 11+ 19+  2 3- 5+ 7+ 11+  0 -6 19+
21945s (1 curve) 2 3- 5+ 7+ 11+ 19+ -2 3- 5+ 7+ 11+ -3 -7 19+
21945t (2 curves) 0 3- 5+ 7+ 11- 19-  1 3- 5+ 7+ 11-  2  0 19-
21945u (1 curve) 0 3- 5+ 7+ 11- 19- -1 3- 5+ 7+ 11-  3 -3 19-
21945v (1 curve) 0 3- 5+ 7+ 11- 19- -2 3- 5+ 7+ 11-  5  0 19-
21945w (1 curve) 2 3- 5+ 7+ 11- 19- -2 3- 5+ 7+ 11- -5 -5 19-
21945x (4 curves) 1 3- 5+ 7- 11+ 19+  1 3- 5+ 7- 11+  2 -2 19+
21945y (4 curves) 1 3- 5+ 7- 11- 19- -1 3- 5+ 7- 11- -6 -2 19-
21945z (1 curve) 0 3- 5- 7+ 11- 19+ -2 3- 5- 7+ 11- -1  0 19+
21945ba (1 curve) 1 3- 5- 7+ 11- 19- -2 3- 5- 7+ 11- -4  6 19-
21945bb (1 curve) 0 3- 5- 7- 11+ 19+  1 3- 5- 7- 11+  3 -7 19+
21945bc (1 curve) 1 3- 5- 7- 11- 19+ -2 3- 5- 7- 11-  0  2 19+


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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