U+1D7A2 "𝞢" Mathematical Sans-Serif Bold Italic Capital Sigma Unicode Character
Unicode Version 17.0
𝞢
U+1D7A2 "𝞢" Mathematical Sans-Serif Bold Italic Capital Sigma is a stylized variant of the Greek capital letter Sigma, designed for use in mathematical and scientific notation where a specific typographic style is required. It combines the clean, modern look of a sans-serif typeface with bold weight and italic slant, making it distinct from the standard Greek Sigma or its serifed counterparts. This character is part of the Mathematical Alphanumeric Symbols block, which was introduced to allow unambiguous representation of mathematical expressions in plain text, ensuring that symbols like this one convey precise stylistic meaning without relying on formatting or font changes.
General Properties
| Code Point | U+1D7A2 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Bold Italic Capital Sigma |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "Σ" U+03A3 Greek Capital Letter Sigma |
Encodings
| HTML Decimal Encoding | 𝞢 |
| HTML Hex Encoding | 𝞢 |
| UTF-8 Encoding | 0xF0 0x9D 0x9E 0xA2 |
| UTF-16 Encoding | 0xD835 0xDFA2 |
| UTF-32 Encoding | 0x0001D7A2 |
| C/C++/Java Escape | \ud835\udfa2 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Cased | 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 | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |