| Name | GREEK CAPITAL LETTER UPSILON WITH DIALYTIKA GREEK CAPITAL LETTER UPSILON DIAERESIS |
| Unicode Version | 1.1 |
| Block（ブロック） | Greek and Coptic（ギリシア文字及びコプト文字） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | Ϋ Ϋ |
| UTF-8 Encoding | Ϋ ceab |
| UTF-16 Encoding | Ϋ 03ab |
| UTF-32 Encoding | Ϋ 000003ab |