U+1D778 "𝝸" Mathematical Sans-Serif Bold Small Iota Unicode Character
Unicode Version 17.0
𝝸
U+1D778 "𝝸" Mathematical Sans-Serif Bold Small Iota is a typographic symbol used primarily in mathematical and scientific notation, representing the Greek letter iota in a sans-serif, bold typeface. This character belongs to the Mathematical Alphanumeric Symbols block, which provides distinct forms of letters to avoid confusion with ordinary text and to meet the specific formatting needs of equations and technical documents. Its design is clean and uniform, making it suitable for use in contexts such as vector notation, set theory, or indexing, where a bold sans-serif iota is required for clarity or stylistic consistency.
General Properties
| Code Point | U+1D778 |
| Version Added | 3.1 |
| Name | Mathematical Sans-Serif Bold Small Iota |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "ι" U+03B9 Greek Small Letter Iota |
Encodings
| HTML Decimal Encoding | 𝝸 |
| HTML Hex Encoding | 𝝸 |
| UTF-8 Encoding | 0xF0 0x9D 0x9D 0xB8 |
| UTF-16 Encoding | 0xD835 0xDF78 |
| UTF-32 Encoding | 0x0001D778 |
| C/C++/Java Escape | \ud835\udf78 |
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 | "ι" U+03B9 Greek Small Letter Iota |
| NFKC Simple Casefold | "ι" U+03B9 Greek Small Letter Iota |
| 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 |