Code point
U+1D723
Glyph appearance depends on your fonts.
U+1D723
Lu<font> 0398U+1D723 MATHEMATICAL BOLD ITALIC CAPITAL THETA is a Unicode 16.0.0 character in the Uppercase Letter category. It belongs to the Mathematical Alphanumeric Symbols block.
Choose the representation you need, then copy its value.
U+1D723
120611
𝜣
𝜣
F0 9D 9C A3
D835 DF23
0001D723
%F0%9D%9C%A3
\U0001D723
\u{1D723}
\uD835\uDF23
\1D723