shapecatcher.com : Unicode character recognition.

Unicode character information

Mathematical italic capital j


Displayed on your computer as: 𝐽
(if the character is not rendered properly, you may not have the appropriate fonts)

Unicode name: Mathematical italic capital j
Codepoint (hexadecimal): 0x1D43D
Codepoint (decimal): 119869
In unicode block: Mathematical Alphanumeric Symbols

Html entities:

𝐽 or 𝐽

Character input:

There is no universal input system for Unicode characters. But you can use the system specific input methods below.

WindowsHold down Alt and press + on the numeric keyboard. Type: 1D43D and release Alt. A registry key needs to be enabled for this to work. See Unicode input (wikipedia) for more details.
Linux: Hold down Crtl and ⇧ Shift and type U1D43D. Now press ↵ Enter and release Crtl and ⇧ Shift.

Other Infos:

General category: Lu (Uppercase_Letter): An uppercase letter.
Bidirectional class is: L (Left_To_Right): Any strong left-to-right character.
Canocial combining class is: 0 (Not_Reordered): Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing.