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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:176AI GHM

Order: 19

Horizontal side: 176 Vertical side: 176

Elements: 1√2, 6, 6√2, 12, 18, 14√2, 18√2, 19√2, 28, 20√2, 40, 42, 40√2, 48√2, 68, 54√2, 68√2, 108, 88√2.

Code: 1085 0 68 884 88 88 486 128 128 403 128 88 425 128 86 204 108 68 16 127 87 190 127 87 184 146 68 183 164 68 67 164 86 60 170 86 127 164 80 406 136 40 685 0 0 684 68 0 146 122 54 287 136 68 540 122 54

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)

108
88√2
48√2
40
42
20√2
1√2
19√2
18√2
18
6
6√2
12
40√2
68
68√2
14√2
28
54√2