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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CD2of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 7√2, 10, 10√2, 17√2, 27, 34, 27√2, 44, 34√2, 61, 44√2, 78, 61√2.

Code: 785 0 44 614 61 61 613 122 61 174 78 44 270 95 61 271 122 61 447 0 44 440 44 44 101 54 44 25 54 42 24 56 42 30 58 44 104 68 34 15 54 41 14 55 41 77 54 41 70 61 41 344 88 0 343 122 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)

78
61√2
61
17√2
27√2
27
44
44√2
10
2
2√2
3√2
10√2
1
1√2
7
7√2
34√2
34