๐ช is the Unicode character MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL ALPHA, code point U+1D7AA (decimal 120746) in the Mathematical Alphanumeric Symbols block, added in Unicode 3.1. In HTML write 𝞪, and in UTF-8 it is the 4 bytes F0 9D 9E AA.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1D7AA |
| Decimal | 120746 |
| UTF-8 bytes | F0 9D 9E AA |
| UTF-16 (big-endian) | D835 DFAA |
| UTF-32 | 0001D7AA |
| HTML decimal | 𝞪 |
| HTML hex | 𝞪 |
| CSS | \1D7AA |
| JavaScript | \u{1D7AA} or \uD835\uDFAA |
| JSON | \uD835\uDFAA |
| Python | \U0001D7AA |
| Python by name | \N{MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL ALPHA} |
| Java, C# | \uD835\uDFAA |
| Rust, Swift | \u{1D7AA} |
| Go, C, C++ | \U0001D7AA |
| URL (percent-encoded) | %F0%9D%9E%AA |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "๐ช".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL ALPHA |
| Code point | U+1D7AA (decimal 120746) |
| Block | Mathematical Alphanumeric Symbols (U+1D400โU+1D7FF) |
| General category | Ll: Lowercase letter |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.1 |
Decomposition
MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL ALPHA has a compatibility decomposition (font) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Mathematical Alphanumeric Symbols
- ๐ข U+1D7A2 Mathematical Sans-Serif Bold Italic Capital Sigma
- ๐ฃ U+1D7A3 Mathematical Sans-Serif Bold Italic Capital Tau
- ๐ค U+1D7A4 Mathematical Sans-Serif Bold Italic Capital Upsilon
- ๐ฅ U+1D7A5 Mathematical Sans-Serif Bold Italic Capital Phi
- ๐ฆ U+1D7A6 Mathematical Sans-Serif Bold Italic Capital Chi
- ๐ง U+1D7A7 Mathematical Sans-Serif Bold Italic Capital Psi
- ๐จ U+1D7A8 Mathematical Sans-Serif Bold Italic Capital Omega
- ๐ฉ U+1D7A9 Mathematical Sans-Serif Bold Italic Nabla
- ๐ซ U+1D7AB Mathematical Sans-Serif Bold Italic Small Beta
- ๐ฌ U+1D7AC Mathematical Sans-Serif Bold Italic Small Gamma
- ๐ญ U+1D7AD Mathematical Sans-Serif Bold Italic Small Delta
- ๐ฎ U+1D7AE Mathematical Sans-Serif Bold Italic Small Epsilon
- ๐ฏ U+1D7AF Mathematical Sans-Serif Bold Italic Small Zeta
- ๐ฐ U+1D7B0 Mathematical Sans-Serif Bold Italic Small Eta
- ๐ฑ U+1D7B1 Mathematical Sans-Serif Bold Italic Small Theta
- ๐ฒ U+1D7B2 Mathematical Sans-Serif Bold Italic Small Iota
All 997 characters: Mathematical Alphanumeric Symbols.
Official reference
Questions people ask
- What is the HTML code for ๐ช?
- Use 𝞪 (decimal) or 𝞪 (hex).
- What is the UTF-8 encoding of U+1D7AA?
- F0 9D 9E AA (hex), 4 bytes. In a URL it is %F0%9D%9E%AA.
- How do I write U+1D7AA in JavaScript or Python?
- JavaScript: \u{1D7AA} or \uD835\uDFAA. Python: \U0001D7AA.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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