Code point
U+1D739
Glyph appearance depends on your fonts.
U+1D739
Ll<font> 03B4U+1D739 MATHEMATICAL BOLD ITALIC SMALL DELTA is a Unicode 16.0.0 character in the Lowercase Letter category. It belongs to the Mathematical Alphanumeric Symbols block.
Choose the representation you need, then copy its value.
U+1D739
120633
𝜹
𝜹
F0 9D 9C B9
D835 DF39
0001D739
%F0%9D%9C%B9
\U0001D739
\u{1D739}
\uD835\uDF39
\1D739