| Name | GREEK SMALL LETTER UPSILON WITH DIALYTIKA GREEK SMALL 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 cf8b |
| UTF-16 Encoding | ϋ 03cb |
| UTF-32 Encoding | ϋ 000003cb |