Image:Hexominos.png
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Hexominos.png (337 × 433 pixel, file size: 1 KB, MIME type: image/png)
All the 35 hexominoes. Yes, the filename is mispeled. This is an indexed .png file 337 x 433.
They're coloured according to their symmetry groups:
- 20 hexominoes (coloured black) have no symmetry. Their symmetry groups consist only of the identity mapping
- 6 hexominoes (coloured red) have an axis of mirror symmetry aligned with the gridlines. Their symmetry groups have two elements, the identity and an orthogonal reflection.
- 2 hexominoes (coloured green) have an axis of mirror symmetry at 45° to the gridlines. Their symmetry groups have two elements, the identity and a diagonal reflection.
- 5 hexominoes (coloured blue) have point symmetry, also known as rotational symmetry of order 2. Their symmetry groups have has two elements, the identity and a 180° rotation.
- 2 hexominoes (coloured purple) have two axes of mirror symmetry, both aligned with the gridlines. Their symmetry groups have four elements.
Generated and uploaded by AndrewKepert 01:02, 26 Nov 2003 (UTC)
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- (del) (cur) 03:57, 29 August 2005 . . Riumplus (Talk | contribs) . . 337×433 (1,317 bytes) (Removed unused colours in the PNG palette, losslessly shrinking file size by 41%)
- (del) (rev) 01:00, 26 November 2003 . . AndrewKepert (Talk | contribs) . . 337×433 (2,224 bytes) (The 35 hexominos)
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