Xi in LaTeX

The LaTeX command for Xi (Ξ) is \Xi.

\Xi

Greek Uppercase · Unicode Ξ (U+039E) · no package needed

How to type Xi

Write \Xi inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. It is part of core LaTeX math, so no extra package is required.

Example

$\Xi(x) = \Xi_0$

\Xi(x) = \Xi_0

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Related Greek Uppercase symbols

\Gamma\Delta\Theta\Lambda\Pi\Sigma\Upsilon\Phi\Psi\Omega

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FAQ

How do you write Xi (Ξ) in LaTeX?

Use \Xi in math mode — it needs no extra package. For example, $\Xi(x) = \Xi_0$.

Which package provides \Xi?

None — \Xi is built into LaTeX's math mode, so no extra package is required.

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