Unicode Character "Σ" U+03A3 Greek Capital Letter Sigma
Unicode Version 15.1
Σ
Summary
The unicode character "Σ" at code point U+03A3 is Greek Capital Letter Sigma. It is a character in the Greek and Coptic block and is part of the Greek script. The character is an uppercase letter. The UTF-8 encoding of "Σ" is 0xCE 0xA3 and the UTF-16 encoding is 0x03A3.
General Properties
| Code Point | U+03A3 |
| Version Added | 1.1 |
| Name | Greek Capital Letter Sigma |
| Block | Greek and Coptic |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Entity | Σ |
| HTML Decimal Encoding | Σ |
| HTML Hex Encoding | Σ |
| UTF-8 Encoding | 0xCE 0xA3 |
| UTF-16 Encoding | 0x03A3 |
| UTF-32 Encoding | 0x000003A3 |
| C/C++/Java Escape | \u03a3 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Simple Lowercase Code Point | "σ" U+03C3 Greek Small Letter Sigma |
| Lowercase Code Point | "σ" U+03C3 Greek Small Letter Sigma |
| Simple Case Folding | "σ" U+03C3 Greek Small Letter Sigma |
| Case Folding | "σ" U+03C3 Greek Small Letter Sigma |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "σ" U+03C3 Greek Small Letter Sigma |
| NFKC Simple Casefold | "σ" U+03C3 Greek Small Letter Sigma |
| Script | Greek |
| Script Extensions | Greek |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |