U+1D711 "𝜑" Mathematical Italic Small Phi Unicode Character
Unicode Version 17.0
𝜑
U+1D711 "𝜑" Mathematical Italic Small Phi is a typographic variant of the Greek letter phi, specifically designed for use in mathematical and scientific notation where italicized symbols are standard. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct glyphs to avoid confusion with ordinary Greek letters or other characters in complex formulas. This form of phi is commonly employed to represent variables such as the golden ratio, the Euler totient function, or phase angles in physics and engineering. Its italic style aligns with the convention of denoting variables in mathematical typesetting, ensuring clarity and uniformity in technical documents.
General Properties
| Code Point | U+1D711 |
| Version Added | 3.1 |
| Name | Mathematical Italic Small Phi |
| 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+03C6 Greek Small Letter Phi |
Encodings
| HTML Decimal Encoding | 𝜑 |
| HTML Hex Encoding | 𝜑 |
| UTF-8 Encoding | 0xF0 0x9D 0x9C 0x91 |
| UTF-16 Encoding | 0xD835 0xDF11 |
| UTF-32 Encoding | 0x0001D711 |
| C/C++/Java Escape | \ud835\udf11 |
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 |