| Name | BLACK-LETTER CAPITAL I BLACK-LETTER I |
| Unicode Version | 1.1 |
| Block（ブロック） | Letterlike Symbols（文字様記号） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ℑ ℑ |
| UTF-8 Encoding | ℑ e28491 |
| UTF-16 Encoding | ℑ 2111 |
| UTF-32 Encoding | ℑ 00002111 |