U+1D420 "𝐠" Mathematical Bold Small G Unicode Character

U+1D420 "𝐠" Mathematical Bold Small G is a glyph in the Mathematical Alphanumeric Symbols block, specifically representing the lowercase letter 'g' in a bold typeface for use in mathematical and scientific notation. Unlike the regular Latin small letter g (U+0067), this character is intended to clarify semantic meaning in formulas, such as denoting a variable, vector, or a function like g(x) in contexts where boldface indicates a specific mathematical property or distinction from plain text. Its inclusion in Unicode allows for consistent rendering across digital platforms, enabling precise communication in academic and technical writing without relying on stylistic formatting like HTML bold tags.

General Properties

Code Point	U+1D420
Version Added	3.1
Name	Mathematical Bold Small G
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"g" U+0067 Latin Small Letter G

Encodings

HTML Decimal Encoding	𝐠
HTML Hex Encoding	𝐠
UTF-8 Encoding	0xF0 0x9D 0x90 0xA0
UTF-16 Encoding	0xD835 0xDC20
UTF-32 Encoding	0x0001D420
C/C++/Java Escape	\ud835\udc20

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	"g" U+0067 Latin Small Letter G
NFKC Simple Casefold	"g" U+0067 Latin Small Letter G
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	Lower