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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:156CL2of2 GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 2√2, 4, 3√2, 4√2, 6, 6√2, 8√2, 10√2, 20, 20√2, 30, 24√2, 48, 54, 51√2, 54√2, 78, 102, 78√2.

Code: 1025 0 54 784 78 78 783 156 78 244 102 54 100 126 78 301 156 78 86 108 60 207 116 68 200 136 68 63 108 54 62 114 54 545 0 0 544 54 0 36 105 51 20 114 54 40 112 52 41 116 52 510 105 51 481 156 48

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

102
78√2
78
24√2
10√2
30
8√2
20
20√2
6
6√2
54
54√2
3√2
2√2
4√2
4
51√2
48