U+1D796 "𝞖" Mathematical Sans-Serif Bold Italic Capital Eta Unicode Character

U+1D796 "𝞖" Mathematical Sans-Serif Bold Italic Capital Eta is a stylized glyph representing the Greek letter eta in a sans-serif typeface with bold weight and italic slant, specifically designed for mathematical notation to distinguish variables from plain text. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to provide authors and publishers with a broad range of letterforms for use in equations, particularly in fields like physics and engineering where the capital eta often denotes efficiency, viscosity, or quantum states. This character allows for clear, unicode-based representation without relying on font formatting hacks, ensuring consistent rendering across different software and platforms.

General Properties

Code Point	U+1D796
Version Added	3.1
Name	Mathematical Sans-Serif Bold Italic Capital Eta
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Η" U+0397 Greek Capital Letter Eta

Encodings

HTML Decimal Encoding	𝞖
HTML Hex Encoding	𝞖
UTF-8 Encoding	0xF0 0x9D 0x9E 0x96
UTF-16 Encoding	0xD835 0xDF96
UTF-32 Encoding	0x0001D796
C/C++/Java Escape	\ud835\udf96

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	"η" U+03B7 Greek Small Letter Eta
NFKC Simple Casefold	"η" U+03B7 Greek Small Letter Eta
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