U+1D51E "𝔞" Mathematical Fraktur Small A Unicode Character
Unicode Version 17.0
𝔞
U+1D51E "𝔞" Mathematical Fraktur Small A is a stylized letter derived from the Fraktur typeface, a blackletter script historically used in German printing and mathematical notation. This character is part of the Unicode Mathematical Alphanumeric Symbols block, designed specifically to represent the lowercase Roman letter 'a' in mathematical contexts where distinct script styles denote different variables or constants, such as in set theory or abstract algebra. Its inclusion in Unicode allows it to be reliably rendered in digital text, preserving the typographic nuance needed for precise scientific and mathematical communication.
General Properties
| Code Point | U+1D51E |
| Version Added | 3.1 |
| Name | Mathematical Fraktur Small A |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "a" U+0061 Latin Small Letter A |
Encodings
| HTML Decimal Encoding | 𝔞 |
| HTML Hex Encoding | 𝔞 |
| UTF-8 Encoding | 0xF0 0x9D 0x94 0x9E |
| UTF-16 Encoding | 0xD835 0xDD1E |
| UTF-32 Encoding | 0x0001D51E |
| C/C++/Java Escape | \ud835\udd1e |
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 | "a" U+0061 Latin Small Letter A |
| NFKC Simple Casefold | "a" U+0061 Latin Small Letter A |
| 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 |