U+1D58F "𝖏" Mathematical Bold Fraktur Small J Unicode Character

Unicode Version 17.0

𝖏

U+1D58F "𝖏" Mathematical Bold Fraktur Small J is a typographic glyph belonging to the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation where a bold, blackletter style is required to distinguish the lowercase letter j from variables in plain text. It combines the ornamental, angular shapes of Fraktur script, historically used in German printing, with a bold weight to ensure clarity and emphasis in complex formulas. This character is part of a larger set that provides mathematicians and publishers with a dedicated encoding for specific alphabetic variants, avoiding the need to rely on font styling alone. Its presence in Unicode enables consistent representation across different platforms and software, supporting precise communication in academic and technical documents.

General Properties

Code Point U+1D58F
Version Added 3.1
Name Mathematical Bold Fraktur Small J
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "j" U+006A Latin Small Letter J

Encodings

HTML Decimal Encoding 𝖏
HTML Hex Encoding 𝖏
UTF-8 Encoding 0xF0 0x9D 0x96 0x8F
UTF-16 Encoding 0xD835 0xDD8F
UTF-32 Encoding 0x0001D58F
C/C++/Java Escape \ud835\udd8f

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Lowercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "j" U+006A Latin Small Letter J
NFKC Simple Casefold "j" U+006A Latin Small Letter J
Script Common
Script Extensions Common
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Soft Dotted Yes
Alphabetic Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Lower