# \ntrianglelefteq

The ⋬ symbol (Not normal subgroup of or equal to, U+22EC), written as \ntrianglelefteq in LaTeX math mode.

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

## Metadata

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

## Syntax

```latex
\ntrianglelefteq
```

Takes no arguments.

## Usage frequency

<0.01% of formulas in the measured corpus contain this entry, rank 441 of 474 entries with frequency data.

## In TeXForm

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