File:Hexominos.png

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Hexominos.png ‎(337 × 433 pixels, file size: 1 KB, MIME type: image/png)

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English: [[:en:Image:Hexominoes.svg|thumb|Superseded by this SVG file]]

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)
Date 29 August 2005 (original upload date)
Source Transferred from en.wikipedia to Commons by Sfan00_IMG using CommonsHelper.
Author The original uploader was AndrewKepert at English Wikipedia.
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File:Hexominoes.svg is a vector version of this file. It should be used in place of this PNG file when not inferior.
File:Hexominos.png → File:Hexominoes.svg
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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.

Original upload log[edit]

The original description page was here. All following user names refer to en.wikipedia.
  • 2005-08-29 03:57 Riumplus 337×433× (1317 bytes) Removed unused colours in the PNG palette, losslessly shrinking file size by 41%
  • 2003-11-26 01:00 AndrewKepert 337×433× (2224 bytes) The 35 hexominos

File history

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Date/TimeThumbnailDimensionsUserComment
current19:07, 25 April 2009Thumbnail for version as of 19:07, 25 April 2009337 × 433 (1 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|thumb|Superseded by [[:en::Image:Hexominoes.svg|this SVG file]] All the 35

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