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𝗷

mathematical sans-serif bold small j

Mathematical Sans-Serif Bold Small J

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𝗷 is a specially encoded lowercase j used in mathematical and technical notation. In a formula, its bold sans-serif style can give it a different identity from plain j. The symbol has no universal value; its role comes from the notation using it.

Text symbol

What 𝗷 means

It is the lowercase Latin j in a bold sans-serif math alphabet.

Letter styles in a formula can label different quantities, so 𝗷 and j may refer to separate things. This character does not come with a built-in formula role: the surrounding notation tells you what it represents.

Why keep a bold j as its own character?

Because letter style can change mathematical meaning.

The STIX project, which coordinated fonts for scientific and technical publishing, began in 1997. A 1998 Unicode proposal explained that scientific publishers already used mathematical alphabets: two styles of one letter can stand for different quantities, and collapsing them can garble a formula. The expanded alphabets also completed a smaller earlier group of styled math letters called Letterlike Symbols. They preserve a mathematical convention in plain text; they were not made for general bold prose.

Mathematical or technical notation, where a letter’s style can distinguish one symbol from another.

For ordinary bold text, use text formatting; 𝗷 is a different character from j.

Part of the collection

𝐁
Bold Letters (Bold Text)
Explore 269 more →

Don't confuse it with

3
ј
Cyrillic Small Letter Je
Cyrillic small je, nearly identical to j in most fonts. A common homograph trap in web addresses.
ȷ
Latin Small Letter Dotless J
Latin dotless j. It looks like j without its dot and is used in some scripts and phonetic notation.
ｊ
Fullwidth Latin Small Letter J
Fullwidth Latin j, a wide form from East Asian input. It looks like j but is a different code point.

Questions people ask

1

Does NFKC turn 𝗷 into j?

Yes. NFKC, a Unicode form that normalizes compatibility differences, maps mathematical styled letters to base letters; this one becomes j. Avoid that conversion when a formula depends on the distinction.

How to type or find 𝗷

Search it as
bold · sans-serif · math · fancy · unicode · font
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 1D5F7, then AltX to get 𝗷.
Windows
⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).
macOS
⌃Control+⌘Command+␣SpaceOpen the character viewer and search “mathematical sans-serif bold small j”.
Linux
⎈Ctrl+⇧Shift+UType 1d5f7, then Enter or Space.
HTML
𝗷
CSS
\1D5F7
HTML source
In HTML markup, use the hexadecimal character reference 𝗷 for 𝗷.
Codes and encoding1 code points
HTML decimal
𝗷
HTML hex
𝗷
CSS content
content: "\1D5F7";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9D%97%B7
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

2

Letters1,265 symbols

µʹـ℀℁ℂ℃℄℅℆ℇ℈

Fancy letters996 symbols

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