What ⋌ means
It marks a group product where the action matters.
In algebra, a group is a set with a rule for combining its elements. Here, one group's elements change how the other's combine; that rule is the action.
Related signs , , and use left/right forms, but authors vary in how those sides describe the action. Check the definition before assigning a side.
Specialist group-theory notation; the surrounding definition supplies the action and side convention.
Related characters
3
Left Normal Factor Semidirect Product
Unicode's left-normal-factor form; the subgroup acted on is written first.
Right Normal Factor Semidirect Product
Unicode's right-normal-factor form; the subgroup acted on is written last.
Left Semidirect Product
Unicode's left semidirect-product form, in the same operator family.
Questions people ask
1Why does ⋌ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
More like this
8
How to type or find ⋌
- Search it as
- rthree · rightthreetimes · ⋌ · ⋌ LaTeX · semidirect product symbol
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
HTML
⋌CSS
\22CCLaTeX
The
rightthreetimes LaTeX command is \rightthreetimes; load amssymb. \rtimes types .MathML
The MathML operator name is
rthree.Codes and encoding1 code points
HTML decimal
⋌
HTML hex
⋌
CSS content
content: "\22CC";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%8B%8C
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.