U+1D507 "𝔇" Mathematical Fraktur Capital D Unicode Character
Unicode Version 17.0
𝔇
U+1D507 "𝔇" Mathematical Fraktur Capital D is a stylized letter D drawn in the blackletter Fraktur typeface, a script style historically common in German academic and mathematical publications. This character belongs to the Unicode block for Mathematical Alphanumeric Symbols, which provides distinct code points for letters used in mathematical expressions to avoid ambiguity with standard text. It is specifically intended for use in mathematical notation, such as representing a matrix, a set, or a domain, allowing mathematicians and scholars to differentiate between variables of different semantic roles within a single document.
General Properties
| Code Point | U+1D507 |
| Version Added | 3.1 |
| Name | Mathematical Fraktur Capital D |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "D" U+0044 Latin Capital Letter D |
Encodings
| HTML Decimal Encoding | 𝔇 |
| HTML Hex Encoding | 𝔇 |
| UTF-8 Encoding | 0xF0 0x9D 0x94 0x87 |
| UTF-16 Encoding | 0xD835 0xDD07 |
| UTF-32 Encoding | 0x0001D507 |
| C/C++/Java Escape | \ud835\udd07 |
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 | "d" U+0064 Latin Small Letter D |
| NFKC Simple Casefold | "d" U+0064 Latin Small Letter D |
| 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 |