Cremona's table of elliptic curves

1656 = 2³ · 3² · 23

Class	r	Atkin-Lehner	Eigenvalues
1656a (4 curves)	0	2+ 3- 23+	2+ 3- -2 -4  4 -2  2  0
Curve Equation t 1656a1 [0,0,0,-1866,31025] 4 1656a2 [0,0,0,-1911,29450] 4 1656a3 [0,0,0,-6771,-181474] 2 1656a4 [0,0,0,2229,139574] 2
1656b (1 curve)	0	2+ 3- 23+	2+ 3-  4  2  4 -5  2  6
Curve Equation t 1656b1 [0,0,0,-3,-25] 1
1656c (4 curves)	1	2+ 3- 23-	2+ 3-  2 -4  0 -2  2 -4
Curve Equation t Generators 1656c1 [0,0,0,-39,-902] 2 [14:36:1] 1656c2 [0,0,0,-1659,-25850] 4 [122:1260:1] 1656c3 [0,0,0,-26499,-1660322] 2 [23530:18396:125] 1656c4 [0,0,0,-2739,11950] 2 [-42:230:1]
1656d (2 curves)	1	2- 3- 23+	2- 3-  0 -2  0  2 -8  6
Curve Equation t Generators 1656d1 [0,0,0,-26175,-1644478] 2 [193:702:1] 1656d2 [0,0,0,-419835,-104704666] 2 [13315:1534572:1]
1656e (1 curve)	1	2- 3- 23+	2- 3-  0 -2  0 -5  6  6
Curve Equation t Generators 1656e1 [0,0,0,-495,4239] 1 [13:1:1]
1656f (2 curves)	1	2- 3- 23+	2- 3-  0  4 -6 -2 -6 -6
Curve Equation t Generators 1656f1 [0,0,0,45,-162] 2 [6:18:1] 1656f2 [0,0,0,-315,-1674] 2 [30:126:1]
1656g (2 curves)	1	2- 3- 23+	2- 3- -4  2  0  2  4 -6
Curve Equation t Generators 1656g1 [0,0,0,33,290] 2 [1:18:1] 1656g2 [0,0,0,-507,4070] 2 [-13:92:1]
1656h (2 curves)	0	2- 3- 23-	2- 3-  2  2  2 -2  4  0
Curve Equation t 1656h1 [0,0,0,-579,7598] 2 1656h2 [0,0,0,-10299,402230] 2
1656i (1 curve)	0	2- 3- 23-	2- 3-  2 -4  2  7  4 -6
Curve Equation t 1656i1 [0,0,0,-39,-97] 1

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

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