U+1D753 "𝝓" Mathematical Bold Italic Phi Symbol Unicode Character
Unicode Version 17.0
𝝓
U+1D753 "𝝓" Mathematical Bold Italic Phi Symbol is a typographical variant of the Greek letter phi, designed specifically for mathematical and scientific notation where a bold and italic style helps distinguish variables or constants within equations. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to separate mathematical usage from plain Greek text, allowing for precise formatting in digital formats. This particular glyph combines the traditional phi shape with a slanted, heavier weight, making it useful in fields like physics, engineering, and advanced mathematics for representing quantities such as the golden ratio, magnetic flux, or phase angles in a consistent, machine readable way.
General Properties
| Code Point | U+1D753 |
| Version Added | 3.1 |
| Name | Mathematical Bold Italic Phi Symbol |
| Block | Mathematical Alphanumeric Symbols |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Font |
| Decomposition Mapping | "ϕ" U+03D5 Greek Phi Symbol |
Encodings
| HTML Decimal Encoding | 𝝓 |
| HTML Hex Encoding | 𝝓 |
| UTF-8 Encoding | 0xF0 0x9D 0x9D 0x93 |
| UTF-16 Encoding | 0xD835 0xDF53 |
| UTF-32 Encoding | 0x0001D753 |
| C/C++/Java Escape | \ud835\udf53 |
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 | "φ" U+03C6 Greek Small Letter Phi |
| NFKC Simple Casefold | "φ" U+03C6 Greek Small Letter Phi |
| 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 |