# ℑ U+2111 BLACK-LETTER CAPITAL I

Fraktur gothic capital I used in math to denote the imaginary part of a complex number.

| | |
|---|---|
| Character | `ℑ` |
| Codepoint | U+2111 |
| Name | BLACK-LETTER CAPITAL I |
| Also known as | imaginary part |
| Block | [Letterlike Symbols](https://unicodekit.com/block/letterlike-symbols) |
| Script | Common |
| Category | Uppercase Letter (Lu) |
| Unicode version | 1.1 |
| HTML | `ℑ` `ℑ` |
| CSS | `\2111` |
| JavaScript | `\u2111` |
| UTF-8 | E2 84 91 |
| UTF-16 | 2111 |
| Decomposition | font U+0049 |

## Related characters

- ℐ [U+2110 SCRIPT CAPITAL I](https://unicodekit.com/char/2110)
- ℒ [U+2112 SCRIPT CAPITAL L](https://unicodekit.com/char/2112)
- ℏ [U+210F PLANCK CONSTANT OVER TWO PI](https://unicodekit.com/char/210F)
- ℓ [U+2113 SCRIPT SMALL L](https://unicodekit.com/char/2113)
- ℎ [U+210E PLANCK CONSTANT](https://unicodekit.com/char/210E)
- ℔ [U+2114 L B BAR SYMBOL](https://unicodekit.com/char/2114)
- ℍ [U+210D DOUBLE-STRUCK CAPITAL H](https://unicodekit.com/char/210D)
- ℕ [U+2115 DOUBLE-STRUCK CAPITAL N](https://unicodekit.com/char/2115)
- ℌ [U+210C BLACK-LETTER CAPITAL H](https://unicodekit.com/char/210C)
- № [U+2116 NUMERO SIGN](https://unicodekit.com/char/2116)
- ℋ [U+210B SCRIPT CAPITAL H](https://unicodekit.com/char/210B)
- ℗ [U+2117 SOUND RECORDING COPYRIGHT](https://unicodekit.com/char/2117)

Page: https://unicodekit.com/char/2111 · JSON: https://unicodekit.com/characters/2111