U+1D5C8 "𝗈" Mathematical Sans-Serif Small O Unicode Character

U+1D5C8 "𝗈" Mathematical Sans-Serif Small O is a typographic glyph used primarily in mathematical and scientific notation to represent a small letter o in a sans-serif typeface, distinguished from the standard Roman alphabet to avoid confusion with the numeral zero or other symbols. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms for variables and constants in equations, such as in physics or engineering contexts where serif and sans-serif contrasts carry specific semantic meanings. This character is rendered as a clean, modern lowercase o without serifs, making it suitable for use in plain text or displayed formulas where stylistic consistency is required.

General Properties

Code Point	U+1D5C8
Version Added	3.1
Name	Mathematical Sans-Serif Small O
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"o" U+006F Latin Small Letter O

Encodings

HTML Decimal Encoding	𝗈
HTML Hex Encoding	𝗈
UTF-8 Encoding	0xF0 0x9D 0x97 0x88
UTF-16 Encoding	0xD835 0xDDC8
UTF-32 Encoding	0x0001D5C8
C/C++/Java Escape	\ud835\uddc8

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	"o" U+006F Latin Small Letter O
NFKC Simple Casefold	"o" U+006F Latin Small Letter O
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