# \ntriangleleft

The ⋪ symbol (Not normal subgroup of, U+22EA), written as \ntriangleleft in LaTeX math mode.

https://texform.dev/latex/symbols/ntriangleleft

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Negated relations](https://texform.dev/latex/topics/negated-relations) |
| Packages | ams |
| Allowed mode | math |
| Glyph | ⋪ |
| Unicode | U+22EA NOT NORMAL SUBGROUP OF |
| Delimiter | No |

## Syntax

```latex
\ntriangleleft
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 440 of 474 entries with frequency data.

## In TeXForm

TeXForm parses this entry as a character leaf mapped to U+22EA (NOT NORMAL SUBGROUP OF).