# conjugate(quaternion)

> Returns the conjugate of a quaternion value.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Mathematics](/engine/6000.6/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

```csharp
public static quaternion conjugate(quaternion q)
```

### Parameters

**** (\[quaternion]\(/engine/6000.6/script-reference/unity/mathematics/quaternion)): The quaternion to conjugate.

### Returns

| Type                                                                          | Description                            |
| ----------------------------------------------------------------------------- | -------------------------------------- |
| [quaternion](/engine/6000.6/script-reference/unity/mathematics/quaternion.md) | The conjugate of the input quaternion. |