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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:173AB1of4 GHM

Order: 19

Horizontal side: 173 Vertical side: 173

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 7, 20, 20√2, 40, 53, 40√2, 60, 73, 53√2, 80, 60√2, 100, 113.

Code: 1137 0 173 733 113 100 607 113 173 606 113 113 32 116 110 26 114 108 45 116 106 16 113 107 25 114 106 75 113 100 61 120 106 532 173 53 406 0 60 807 40 100 1003 120 0 405 0 20 533 173 0 205 0 0 204 20 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)

113
73
60
60√2
3√2
2√2
4
1√2
2
7
6
53√2
40√2
80
100
40
53
20
20√2