Code point
U+03D4
Glyph appearance depends on your fonts.
U+03D4
Lu03D2 0308U+03D4 GREEK UPSILON WITH DIAERESIS AND HOOK SYMBOL is a Unicode 16.0.0 character in the Uppercase Letter category. It belongs to the Greek and Coptic block.
Choose the representation you need, then copy its value.
U+03D4
980
ϔ
ϔ
CF 94
03D4
000003D4
%CF%94
\u03D4
\u03D4
\u03D4
\03D4