The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+0396 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Zeta (UK: , US: ; uppercase Ζ, lowercase ζ; Ancient Greek: ζῆτα, Demotic Greek: ζήτα, classical [d͡zɛ̌ːta] or [zdɛ̌ːta]zē̂ta; Greek pronunciation:[ˈzita]zíta) is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician letter zayin . Letters that arose from zeta include the Roman Z and Cyrillic З.
Representations
System
Representation (click value to copy)
Nº
918
UTF-8
CE 96
UTF-16
03 96
UTF-32
00 00 03 96
URL-Quoted
%CE%96
HTML hex reference
Ζ
Wrong windows-1252 Mojibake
Ζ
HTML named entity
Ζ
Encoding: BIG5 (hex bytes)
A3 49
Encoding: BIG5HKSCS (hex bytes)
A3 49
Encoding: CP737 (hex bytes)
85
Encoding: CP869 (hex bytes)
A9
Encoding: CP875 (hex bytes)
46
Encoding: CP932 (hex bytes)
83 A4
Encoding: CP949 (hex bytes)
A5 C6
Encoding: CP950 (hex bytes)
A3 49
Encoding: CP1253 (hex bytes)
C6
Encoding: EUC_JP (hex bytes)
A6 A6
Encoding: EUC_JIS_2004 (hex bytes)
A6 A6
Encoding: EUC_JISX0213 (hex bytes)
A6 A6
Encoding: EUC_KR (hex bytes)
A5 C6
Encoding: GB2312 (hex bytes)
A6 A6
Encoding: GBK (hex bytes)
A6 A6
Encoding: GB18030 (hex bytes)
A6 A6
Encoding: HZ (hex bytes)
7E 7B 26 26 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 26 26 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 25 46 0F
Encoding: ISO8859_7 (hex bytes)
C6
Encoding: JOHAB (hex bytes)
DB 56
Encoding: MAC_GREEK (hex bytes)
B7
Encoding: SHIFT_JIS (hex bytes)
83 A4
Encoding: SHIFT_JIS_2004 (hex bytes)
83 A4
Encoding: SHIFT_JISX0213 (hex bytes)
83 A4
Encoding: CP875 (hex bytes)
46
LATEX
\Zeta
Adobe Glyph List
Zeta
digraph
Z*
RFC 5137
\u'0396'
Bash and Zsh inside echo -e
\u0396
C and C++
\u0396
C#
\u0396
CSS
\000396
Excel
=UNICHAR(918)
Go
\u0396
JavaScript
\u0396
Modern JavaScript since ES6
\u{396}
JSON
\u0396
Java
\u0396
Lua
\u{396}
Matlab
char(918)
Perl
"\x{396}"
PHP
\u{396}
PostgreSQL
U&'\0396'
PowerShell
`u{396}
Python
\u0396
Ruby
\u{396}
Rust
\u{396}
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