⋪
Math Operator 231
- Unicode
- U+22EA
- Category
- Math
- HTML Entity
- ⋪
- CSS
- \22EA
The ⋪ (Not Normal Subgroup Of) symbol is a mathematical operator primarily used in group theory, a branch of abstract algebra. It features a left-pointing triangle intersected by a forward slash, visually indicating that a specific subset does not qualify as a normal subgroup of a larger group. Outside of advanced mathematics, algebraic equations, and specialized technical typesetting, you are highly unlikely to encounter this specific character.
How to Type
- Windows
- Type 22EA, then press Alt+X (in Microsoft Word)
- macOS
- Control+Command+Space, then search "not normal subgroup"
- Linux
- Ctrl+Shift+U, then type 22ea and press Enter
- HTML
- ⋪ or ⋪
In Programming
In LaTeX and MathML environments, this symbol is commonly rendered using the `\ntriangleleft` command. It is utilized in computational algebra systems and mathematical documentation to formally evaluate and define properties of group structures.
Tags
HTML entity
LaTeX group theory
U+22EA
Unicode math operator
\ntriangleleft
abstract algebra symbol
algebra
group theory
group theory notation
mathematics
negation
normal subgroup negation
not a subgroup of
not normal subgroup
not subgroup
ntriangleleft