UnicodeCharactercom
𝐽
U+1D43D Β· MATHEMATICAL ITALIC CAPITAL J

Mathematical Italic Capital J

  • CodepointU+1D43D
  • NameMATHEMATICAL ITALIC CAPITAL J
  • Decimal119869
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 β€” Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryLu β€” Uppercase Letter
  • Unicode version3.1 (2001)
  • Bidi classL β€” Left-to-Right
  • Combining class0
  • East Asian widthN β€” Neutral
  • MirroredNo

About this character

U+1D43D (𝐽) is MATHEMATICAL ITALIC CAPITAL J, an uppercase letter in the Mathematical Alphanumeric Symbols block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 3.1 (2001).

It is a font variant of U+004A J (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+004A J. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝐽

Β§

Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 90 BD4 bytes
UTF-16D835 DC3Dsurrogate pair
UTF-320001D43D4 bytes
HTML decimal&#119869;
HTML hex&#x1D43D;
CSS\1D43Din content: "…"
JavaScript\u{1D43D}ES2015+
JavaScript\uD835\uDC3Dsurrogate pair
JSON\uD835\uDC3D
Python\U0001D43D
Python\N{MATHEMATICAL ITALIC CAPITAL J}by name
Java / C#\uD835\uDC3D
C / C++\U0001D43Duniversal character name
Rust / Swift / PHP\u{1D43D}
Go\U0001D43D
Ruby\u{1D43D}
Excel / Sheets=UNICHAR(119869)
URL-encoded%F0%9D%90%BDpercent-encoded UTF-8
Β§

Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+004A J
NFKDU+004A J
Β§

Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+004AJLatin Capital Letter J U+037FΝΏGreek Capital Letter Yot U+0408ЈCyrillic Capital Letter Je U+FF2AοΌͺFullwidth Latin Capital Letter J U+1D409𝐉Mathematical Bold Capital J U+1D471𝑱Mathematical Bold Italic Capital J U+1D4A5π’₯Mathematical Script Capital J U+1D4D9𝓙Mathematical Bold Script Capital J U+1D50D𝔍Mathematical Fraktur Capital J U+1D541𝕁Mathematical Double-Struck Capital J U+1D575𝕡Mathematical Bold Fraktur Capital J U+1D5A9𝖩Mathematical Sans-Serif Capital J U+1D5DD𝗝Mathematical Sans-Serif Bold Capital J U+1D611π˜‘Mathematical Sans-Serif Italic Capital J U+1D645𝙅Mathematical Sans-Serif Bold Italic Capital J U+1D679𝙹Mathematical Monospace Capital J
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D437𝐷Mathematical Italic Capital D U+1D438𝐸Mathematical Italic Capital E U+1D439𝐹Mathematical Italic Capital F U+1D43A𝐺Mathematical Italic Capital G U+1D43B𝐻Mathematical Italic Capital H U+1D43C𝐼Mathematical Italic Capital I U+1D43E𝐾Mathematical Italic Capital K U+1D43F𝐿Mathematical Italic Capital L U+1D440𝑀Mathematical Italic Capital M U+1D441𝑁Mathematical Italic Capital N U+1D442𝑂Mathematical Italic Capital O U+1D443𝑃Mathematical Italic Capital P