## CA

`CA` is one of the Casimir operator eigenvalues of $SU(N)$ (`CA` $= N$).

### See also

[Overview](Extra/FeynCalc.md), [CF](CF.md), [SUNSimplify](SUNSimplify.md).

### Examples

```mathematica
CA
```

$$C_A$$

```mathematica
SUNSimplify[CA, SUNNToCACF -> False]
```

$$N$$

```mathematica
SUNN
```

$$N$$