U+1D50D "𝔍" Mathematical Fraktur Capital J Unicode Character

U+1D50D "𝔍" Mathematical Fraktur Capital J is a stylized letter from the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation to differentiate variables from plain text. It belongs to the Fraktur script, a blackletter typeface with ornate, angular strokes historically used in German manuscripts, and its inclusion in Unicode allows mathematicians and researchers to represent specific concepts in fields like Lie algebra or number theory without requiring special formatting. This character is typically rendered in a dedicated mathematical font and carries the formal Unicode designation "MATHEMATICAL FRAKTUR CAPITAL J", serving as a distinct symbol for abstract objects or invariants in academic writing.

General Properties

Code Point	U+1D50D
Version Added	3.1
Name	Mathematical Fraktur Capital J
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"J" U+004A Latin Capital Letter J

Encodings

HTML Decimal Encoding	𝔍
HTML Hex Encoding	𝔍
UTF-8 Encoding	0xF0 0x9D 0x94 0x8D
UTF-16 Encoding	0xD835 0xDD0D
UTF-32 Encoding	0x0001D50D
C/C++/Java Escape	\ud835\udd0d

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Uppercase	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
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Upper