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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AD GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 8√2, 22√2, 24√2, 44, 32√2, 48, 40√2, 45√2, 64, 48√2, 80, 88, 90, 66√2, 89√2, 134, 112√2, 178, 156√2.

Code: 1785 0 134 1564 156 156 1126 200 200 443 200 156 805 200 120 224 178 134 666 134 90 1345 0 0 894 89 45 482 248 72 404 240 80 320 280 120 456 89 45 905 134 0 86 240 80 647 248 88 883 312 0 483 248 24 244 224 0

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)

178
156√2
112√2
44
80
22√2
66√2
134
89√2
48√2
40√2
32√2
45√2
90
8√2
64
88
48
24√2