U+1D577 "𝕷" Mathematical Bold Fraktur Capital L Unicode Character

U+1D577 "𝕷" Mathematical Bold Fraktur Capital L is a typographic symbol belonging to the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation where a bold, decorative fraktur style is needed. This character represents the capital letter L in a bold version of the Fraktur script, an old blackletter typeface historically used in German texts and now often employed in mathematics to denote sets, Lie algebras, or other abstract structures, such as in the notation for L-functions or special rings. Its inclusion in Unicode allows for precise, platform independent representation of such symbols in digital documents, ensuring consistent rendering across different software and fonts.

General Properties

Code Point	U+1D577
Version Added	3.1
Name	Mathematical Bold Fraktur 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 0x95 0xB7
UTF-16 Encoding	0xD835 0xDD77
UTF-32 Encoding	0x0001D577
C/C++/Java Escape	\ud835\udd77

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