U+1D71C "𝜜" Mathematical Bold Italic Capital Alpha Unicode Character

U+1D71C "𝜜" Mathematical Bold Italic Capital Alpha is a typographic symbol from the Mathematical Alphanumeric Symbols block, designed to represent the uppercase Greek letter alpha in a bold, italicized style for use in mathematical and scientific notation. It is distinct from the standard Greek alpha and is primarily employed in contexts where variables, constants, or special symbols must be clearly differentiated from ordinary text, such as in equations, tensor calculus, or vector analysis. This character is part of a comprehensive set of over 1,000 mathematical letters and digits in Unicode, enabling precise semantic markup in digital documents without relying on font styling or formatting hacks.

General Properties

Code Point	U+1D71C
Version Added	3.1
Name	Mathematical Bold Italic Capital Alpha
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Α" U+0391 Greek Capital Letter Alpha

Encodings

HTML Decimal Encoding	𝜜
HTML Hex Encoding	𝜜
UTF-8 Encoding	0xF0 0x9D 0x9C 0x9C
UTF-16 Encoding	0xD835 0xDF1C
UTF-32 Encoding	0x0001D71C
C/C++/Java Escape	\ud835\udf1c

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	"α" U+03B1 Greek Small Letter Alpha
NFKC Simple Casefold	"α" U+03B1 Greek Small Letter Alpha
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