U+1D4DB "𝓛" Mathematical Bold Script Capital L Unicode Character

U+1D4DB "𝓛" Mathematical Bold Script Capital L is a stylized letterform from the Mathematical Alphanumeric Symbols block, designed to represent a bold script uppercase L for use in mathematical and scientific notation, particularly in contexts where a distinct, decorative variant of the Latin letter is needed to denote a specific variable, operator, or set, such as in linear algebra or theoretical physics. It integrates into digital text as a single encoded character rather than relying on complex formatting, ensuring consistent display across Unicode compliant systems, and it belongs to a larger family of mathematical alphanumerics that provide clear, print ready symbols for formal documents, research papers, and educational materials.

General Properties

Code Point	U+1D4DB
Version Added	3.1
Name	Mathematical Bold Script Capital L
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"L" U+004C Latin Capital Letter L

Encodings

HTML Decimal Encoding	𝓛
HTML Hex Encoding	𝓛
UTF-8 Encoding	0xF0 0x9D 0x93 0x9B
UTF-16 Encoding	0xD835 0xDCDB
UTF-32 Encoding	0x0001D4DB
C/C++/Java Escape	\ud835\udcdb

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	"l" U+006C Latin Small Letter L
NFKC Simple Casefold	"l" U+006C Latin Small Letter L
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