Greek Letters in LaTeX

Use these commands in math mode ( $...$ or \$...\$). Only some uppercase Greek letters have dedicated commands; the rest use Latin capitals that look the same.

Quick tips

Lowercase: \\alpha, \\beta, \\gamma, …
Uppercase with commands: \\Gamma, \\Delta, \\Theta, \\Lambda, \\Xi, \\Pi, \\Sigma, \\Upsilon, \\Phi, \\Psi, \\Omega.
No \\Alpha/\\Beta/… in standard LaTeX — use Latin A, B, E, Z, H, I, K, M, N, O, P, T, X.
Variants: \\varepsilon, \\vartheta, \\varphi, \\varsigma, \\varrho, \\varpi.
Need the character outside TeX? Grab Unicode instead.

Letter	Glyphs	Lower command	Upper command	Page
Alpha	Αα	`\alpha`	`A`	Alpha
Beta	Ββ	`\beta`	`B`	Beta
Gamma	Γγ	`\gamma`	`\Gamma`	Gamma
Delta	Δδ	`\delta`	`\Delta`	Delta
Epsilon	Εε	`\varepsilon`	`E`	Epsilon
Zeta	Ζζ	`\zeta`	`Z`	Zeta
Eta	Ηη	`\eta`	`H`	Eta
Theta	Θθ	`\theta`	`\Theta`	Theta
Iota	Ιι	`\iota`	`I`	Iota
Kappa	Κκ	`\kappa`	`K`	Kappa
Lambda	Λλ	`\lambda`	`\Lambda`	Lambda
Mu	Μμ	`\mu`	`M`	Mu
Nu	Νν	`\nu`	`N`	Nu
Xi	Ξξ	`\xi`	`\Xi`	Xi
Omicron	Οο	`o`	`O`	Omicron
Pi	Ππ	`\pi`	`\Pi`	Pi
Rho	Ρρ	`\rho`	`P`	Rho
Sigma	Σσ	`\sigma`	`\Sigma`	Sigma
Tau	Ττ	`\tau`	`T`	Tau
Upsilon	Υυ	`\upsilon`	`\Upsilon`	Upsilon
Phi	Φφ	`\phi`	`\Phi`	Phi
Chi	Χχ	`\chi`	`X`	Chi
Psi	Ψψ	`\psi`	`\Psi`	Psi
Omega	Ωω	`\omega`	`\Omega`	Omega

Also see HTML entities and how to type Greek letters.