Σ
U+03A3 GREEK CAPITAL LETTER SIGMA
Greek and Coptic · Uppercase letter
| Name | GREEK CAPITAL LETTER SIGMA |
|---|---|
| Code point | U+03A3 |
| Decimal | 931 |
| Block | Greek and Coptic |
| Category | Uppercase letter (Lu) |
| UTF-8 | CE A3 |
| UTF-16 | 03A3 |
| UTF-32 | 000003A3 |
| HTML | Σ Σ Σ |
| CSS | \03A3 |
| JavaScript | \u03A3 |
| Python | \u03a3 |
| URL-encoded | %CE%A3 |
| Upper/lower case | σ U+03C3 |
Frequently asked questions
What is the character U+03A3?
U+03A3 Σ is officially named GREEK CAPITAL LETTER SIGMA. It belongs to the Greek and Coptic block and the category Uppercase letter.
How do I type Σ?
Windows (Word, WordPad): type 03A3, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 03a3, then Space. macOS: enable the “Unicode Hex Input” keyboard, hold Option and type 03A3. Or simply copy it from this page.
How do I write Σ in HTML?
As a numeric character reference Σ (decimal) or Σ (hexadecimal). In UTF-8 documents you can also insert the character directly. There is also the named entity Σ.
How is Σ encoded in UTF-8?
In UTF-8 the character takes 2 bytes: CE A3. In UTF-16: 03A3.
Nearby entries
- Ν U+039D Greek Capital Letter Nu
- Ξ U+039E Greek Capital Letter Xi
- Ο U+039F Greek Capital Letter Omicron
- Π U+03A0 Greek Capital Letter Pi
- Ρ U+03A1 Greek Capital Letter Rho
- Τ U+03A4 Greek Capital Letter Tau
- Υ U+03A5 Greek Capital Letter Upsilon
- Φ U+03A6 Greek Capital Letter Phi
- Χ U+03A7 Greek Capital Letter Chi
- Ψ U+03A8 Greek Capital Letter Psi