U+1D634 "𝘴" Mathematical Sans-Serif Italic Small S Unicode Character
Unicode Version 17.0
𝘴
U+1D634 "𝘴" Mathematical Sans-Serif Italic Small S is a typographic symbol that belongs to the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and scientific notation to represent a variable in a sans-serif italic style. It allows writers and typesetters to distinguish the letter s from its ordinary italic or serif counterparts, which is especially useful in formulas, proofs, or algebra where clarity and stylistic consistency are required. This character is not part of the basic Latin alphabet but rather an abstract glyph that can be rendered in digital text when a compatible font is used.
General Properties
| Code Point | U+1D634 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Italic Small S |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "s" U+0073 Latin Small Letter S |
Encodings
| HTML Decimal Encoding | 𝘴 |
| HTML Hex Encoding | 𝘴 |
| UTF-8 Encoding | 0xF0 0x9D 0x98 0xB4 |
| UTF-16 Encoding | 0xD835 0xDE34 |
| UTF-32 Encoding | 0x0001D634 |
| C/C++/Java Escape | \ud835\ude34 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "s" U+0073 Latin Small Letter S |
| NFKC Simple Casefold | "s" U+0073 Latin Small Letter S |
| 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 | Lower |