Category:Dihedral symmetry, conditional

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This image has 2-fold dihedral symmetry under the condition that red and white are treated as equivalent.

On most US naval jacks the stars are aligned is such a way that the pattern of their midpoints has 2-fold dihedral symmetry.

Subcategories

This category has the following 2 subcategories, out of 2 total.

C

Compound of five cubes; six sides (rgby and gray) (6 F)

T

Tree of weak orderings in concertina cube; RGB; 3-fold (3 F)

Media in category "Dihedral symmetry, conditional"

The following 8 files are in this category, out of 8 total.

Balanced ternary Walsh matrix 27.svg 602 × 602; 789 KB
Crossland Banner.svg 375 × 250; 721 bytes
EUTM Roundel.svg 440 × 440; 12 KB
Nautical star.svg 899 × 855; 1 KB
Naval Jack of the Netherlands.svg 1,200 × 800; 237 bytes
Naval jack of the United States (1777–1795).svg 512 × 363; 1 KB
Naval jack of the United States (1865–1867).svg 1,482 × 1,050; 10 KB
Olavsrose.svg 459 × 459; 9 KB

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