Mathematical Bold Italic Capital Sigma Symbol
𝜮 is the Mathematical Bold Italic Capital Sigma symbol used in mathematical notation and typography.
U+1D72E
𝜮 (U+1D72E) is a Unicode math symbol: MATHEMATICAL BOLD ITALIC CAPITAL SIGMA. It’s useful when you need a bold italic uppercase sigma for styled equations or design mockups. This page helps you copy it reliably and understand common contexts.
Mathematical Bold Italic Capital Sigma Symbol Meaning
𝜮 is a styled form of the Greek capital sigma (Σ) in Unicode’s Mathematical Alphanumeric Symbols block. The “bold italic” styling distinguishes it from regular or non-italic variants, making it suitable for emphasizing symbols inside mathematical expressions, sets, operators, or variables where consistent typography matters. In everyday usage, it mainly appears in math typesetting, equation rendering, and document or interface designs that require a specific font-like variation. If you’re matching a particular notation style, using the exact character (U+1D72E) helps avoid substitutions with other sigma forms.
Common uses
- •Labeling sigma-like symbols in math diagrams where a bold italic style is required
- •Typing styled variables or operators in documents and presentations
- •Designing mathematical-themed graphics, headers, or infographics
- •Using in equation editors or markup where a specific Unicode sigma glyph is preferred
- •Consistent branding in technical posters that feature Greek-letter typography
Examples
𝜮 Mathematical Bold Italic Capital Sigma
- 𝜮Let 𝜮 denote the bold italic sigma used in the notation.
- 𝜮𝜮 = Σ with a bold italic typographic style in this document.
- 𝜮The set is summarized using 𝜮 as the main operator.
- 𝜮Write 𝜮 in equations to match the figure’s typography.
- 𝜮Replace Σ with 𝜮 to keep the same visual weight.
Variations
Ready to copy
Technical codes
| Unicode | U+1D72E | |
| HTML Entity | 𝜮 | |
| HTML Code | 𝜮 | |
| CSS | \1D72E |
FAQ
What does the Mathematical Bold Italic Capital Sigma symbol mean?
𝜮 is a styled form of the Greek capital sigma (Σ) in Unicode’s Mathematical Alphanumeric Symbols block. The “bold italic” styling distinguishes it from regular or non-italic variants, making it suitable for emphasizing symbols inside mathematical expressions, sets, operators, or variables where consistent typography matters. In everyday usage, it mainly appears in math typesetting, equation rendering, and document or interface designs that require a specific font-like variation. If you’re matching a particular notation style, using the exact character (U+1D72E) helps avoid substitutions with other sigma forms.
What Unicode character is 𝜮?
𝜮 is the Unicode character MATHEMATICAL BOLD ITALIC CAPITAL SIGMA with code point U+1D72E.
How do I copy 𝜮 quickly?
Select and copy the character shown on this page (𝜮). You can also copy the HTML entity (𝜮) or escapes like \\u{1D72E}.
Will 𝜮 display correctly on all devices?
Not always—display depends on whether the user’s fonts support U+1D72E. If it appears as a box or question mark, try a font or fallback that includes this math symbol.
Is 𝜮 the same as the normal capital sigma Σ?
No. 𝜮 is a specifically styled variant (bold italic) of the capital sigma, while Σ is the standard Greek capital sigma.