Double-Struck Italic Small J ⅉ

Letter “j” is present in all Latin alphabets. It represents a voiced palatal approximant sound, ] or ], depending on the phonetic system of a particular language. Historically, “j” was a variant of the letter “i” but it later became independent.

The lowercase j is used to denote one of the basic vectors, an imaginary quantity, jerk, a secondary index in programming and mathematics. These goals can be achieved with the help of symbol 𝑗 from the block with Mathematical Alphanumeric Symbols  1D400–1D7FF .

The double-struck italic lowercase “j” comes in handy when you need to write words in English, French, German, and other languages. Use the double-struck letter to decorate your text.

The symbol “Double-Struck Italic Small J” is included in the “Double-struck italic math symbols” subblock of the “Letterlike Symbols” block and was approved as part of Unicode version 3.2 in 2002.