Source: Noto Music

U+1D231 Greek Instrumental Notation Symbol-32

U+1D231 was added in Unicode version 4.1 in 2005. It belongs to the block U+1D200 to U+1D24F Ancient Greek Musical Notation in the U+10000 to U+1FFFF Supplementary Multilingual Plane.

This character is a Other Symbol and is mainly used in the Greek script.

The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+1D231 forms with similar adjacent characters prevents a line break inside it.

The Wikipedia has the following information about this codepoint:

Ancient Greek Musical Notation is a Unicode block containing symbols representing musical notations used in ancient Greece.

Representations

System	Representation
Nº	119345
UTF-8	F0 9D 88 B1
UTF-16	D8 34 DE 31
UTF-32	00 01 D2 31
URL-Quoted	%F0%9D%88%B1
HTML hex reference	𝈱
Wrong windows-1252 Mojibake	ðˆ±
Encoding: GB18030 (hex bytes)	94 32 D9 39

Elsewhere

Complete Record

Property	Value
Age (age)	4.1 (2005)
Unicode Name (na)	GREEK INSTRUMENTAL NOTATION SYMBOL-32
Unicode 1 Name (na1)	—
Block (blk)	Ancient Greek Musical Notation
General Category (gc)	Other Symbol
Script (sc)	Greek
Bidirectional Category (bc)	Other Neutral
Combining Class (ccc)	Not Reordered
Decomposition Type (dt)	none
Decomposition Mapping (dm)	Greek Instrumental Notation Symbol-32
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	Greek Instrumental Notation Symbol-32
Lowercase Mapping (lc)	Greek Instrumental Notation Symbol-32
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	Greek Instrumental Notation Symbol-32
Uppercase Mapping (uc)	Greek Instrumental Notation Symbol-32
Simple Titlecase Mapping (stc)	Greek Instrumental Notation Symbol-32
Titlecase Mapping (tc)	Greek Instrumental Notation Symbol-32
Case Folding (cf)	Greek Instrumental Notation Symbol-32
ASCII Hex Digit (AHex)	✘
Alphabetic (Alpha)	✘
Bidi Control (Bidi_C)	✘
Bidi Mirrored (Bidi_M)	✘
Composition Exclusion (CE)	✘
Case Ignorable (CI)	✘
Changes When Casefolded (CWCF)	✘
Changes When Casemapped (CWCM)	✘
Changes When NFKC Casefolded (CWKCF)	✘
Changes When Lowercased (CWL)	✘
Changes When Titlecased (CWT)	✘
Changes When Uppercased (CWU)	✘
Cased (Cased)	✘
Full Composition Exclusion (Comp_Ex)	✘
Default Ignorable Code Point (DI)	✘
Dash (Dash)	✘
Deprecated (Dep)	✘
Diacritic (Dia)	✘
Emoji Modifier Base (EBase)	✘
Emoji Component (EComp)	✘
Emoji Modifier (EMod)	✘
Emoji Presentation (EPres)	✘
Emoji (Emoji)	✘
Extender (Ext)	✘
Extended Pictographic (ExtPict)	✘
FC NFKC Closure (FC_NFKC)	Greek Instrumental Notation Symbol-32
Grapheme Cluster Break (GCB)	Any
Grapheme Base (Gr_Base)	✔
Grapheme Extend (Gr_Ext)	✘
Grapheme Link (Gr_Link)	✘
Hex Digit (Hex)	✘
Hyphen (Hyphen)	✘
ID Continue (IDC)	✘
ID Start (IDS)	✘
IDS Binary Operator (IDSB)	✘
IDS Trinary Operator and (IDST)	✘
IDSU (IDSU)	0
ID_Compat_Math_Continue (ID_Compat_Math_Continue)	0
ID_Compat_Math_Start (ID_Compat_Math_Start)	0
Ideographic (Ideo)	✘
InCB (InCB)	None
Indic Mantra Category (InMC)	—
Indic Positional Category (InPC)	NA
Indic Syllabic Category (InSC)	Other
Jamo Short Name (JSN)	—
Join Control (Join_C)	✘
Logical Order Exception (LOE)	✘
Modifier Combining Mark (MCM)	✘
Math (Math)	✘
Noncharacter Code Point (NChar)	✘
NFC Quick Check (NFC_QC)	Yes
NFD Quick Check (NFD_QC)	Yes
NFKC Casefold (NFKC_CF)	Greek Instrumental Notation Symbol-32
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	Greek Instrumental Notation Symbol-32
NFKD Quick Check (NFKD_QC)	Yes
Other Alphabetic (OAlpha)	✘
Other Default Ignorable Code Point (ODI)	✘
Other Grapheme Extend (OGr_Ext)	✘
Other ID Continue (OIDC)	✘
Other ID Start (OIDS)	✘
Other Lowercase (OLower)	✘
Other Math (OMath)	✘
Other Uppercase (OUpper)	✘
Prepended Concatenation Mark (PCM)	✘
Pattern Syntax (Pat_Syn)	✘
Pattern White Space (Pat_WS)	✘
Quotation Mark (QMark)	✘
Regional Indicator (RI)	✘
Radical (Radical)	✘
Sentence Break (SB)	Other
Soft Dotted (SD)	✘
Sentence Terminal (STerm)	✘
Terminal Punctuation (Term)	✘
Unified Ideograph (UIdeo)	✘
Variation Selector (VS)	✘
Word Break (WB)	Other
White Space (WSpace)	✘
XID Continue (XIDC)	✘
XID Start (XIDS)	✘
Expands On NFC (XO_NFC)	✘
Expands On NFD (XO_NFD)	✘
Expands On NFKC (XO_NFKC)	✘
Expands On NFKD (XO_NFKD)	✘
Bidi Paired Bracket (bpb)	Greek Instrumental Notation Symbol-32
Bidi Paired Bracket Type (bpt)	None
East Asian Width (ea)	neutral
Hangul Syllable Type (hst)	Not Applicable
ISO 10646 Comment (isc)	—
Joining Group (jg)	No_Joining_Group
Joining Type (jt)	Non Joining
Line Break (lb)	Alphabetic
Numeric Type (nt)	none
Numeric Value (nv)	not a number
Simple Case Folding (scf)	Greek Instrumental Notation Symbol-32
Script Extension (scx)
Vertical Orientation (vo)	R