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𝑺

Mathematical Bold Italic Capital S Symbol

𝑺 is a Unicode mathematical symbol: bold italic capital S (U+1D47A).

U+1D47A

𝑺 is the Mathematical Bold Italic Capital S character. It’s commonly used in math- and notation-style typography where styled Latin capitals are needed. Below you’ll find Unicode details, meanings in context, and ready-to-copy variants.

Mathematical Bold Italic Capital S Symbol Meaning

𝑺 (U+1D47A) is a styled Latin capital β€œS” used primarily in mathematical typography. The β€œbold italic” styling indicates a distinct visual variant of the letter, which can be important when authors differentiate sets, vectors, functions, constants, or named quantities in a typed formula. In practice, it behaves like a normal character in text, but it’s intended for math contexts and design systems that follow Unicode mathematical alphabets. If you need a consistent look with other mathematical bold italic letters, using this specific character ensures the correct styling rather than relying on CSS or font tricks.

Common uses

  • β€’Labeling variables or named quantities in equations with a bold-italic style capital S
  • β€’Designing math-themed graphics or posters that require a matching styled alphabet
  • β€’Creating consistent notation in educational worksheets or slide decks
  • β€’Typing documents that mix styled math symbols with Unicode character sets
  • β€’Building UI or dashboards where typography distinguishes symbol variants

Examples

𝑺 (Mathematical Bold Italic Capital S)

  • 𝑺Let 𝑺 be a set of states.
  • 𝑺We define the operator 𝑺 on the vector space.
  • 𝑺Consider the constant 𝑺 in equation (2).
  • 𝑺The mapping 𝑺: X \\u2192 Y is continuous.
  • 𝑺Compute 𝑺 for the given parameters.

Variations

Ready to copy

Technical codes

UnicodeU+1D47A
HTML Entity𝑺
HTML Code𝑺
CSS\1D47A
Decimal119930

How to type Mathematical Bold Italic Capital S Symbol (𝑺)

On Windows

In Word, type 1D47A then press Alt + X. Or open the emoji picker with Windows key + period.

On Mac

Press Control + Command + Space to open Character Viewer and search for the character.

On Linux

Press Control + Shift + U, type 1d47a, then press Enter or Space.

Anywhere

Copy 𝑺 with the button above and paste it wherever you need it β€” this works on every device and in every app, with no keyboard shortcut to remember.

FAQ

What does the Mathematical Bold Italic Capital S symbol mean?

𝑺 (U+1D47A) is a styled Latin capital β€œS” used primarily in mathematical typography. The β€œbold italic” styling indicates a distinct visual variant of the letter, which can be important when authors differentiate sets, vectors, functions, constants, or named quantities in a typed formula. In practice, it behaves like a normal character in text, but it’s intended for math contexts and design systems that follow Unicode mathematical alphabets. If you need a consistent look with other mathematical bold italic letters, using this specific character ensures the correct styling rather than relying on CSS or font tricks.

What is the Unicode code point for 𝑺?

𝑺 has Unicode code point U+1D47A (MATHEMATICAL BOLD ITALIC CAPITAL S).

How do I copy 𝑺 into my documents?

Copy the character 𝑺 directly from this page, or use the HTML entity 𝑺 / CSS escape \\1D47A / JavaScript escape \\u{1D47A}.

Is 𝑺 the same as a normal letter S?

It’s visually a styled variant (bold italic capital S) and is a distinct Unicode character, though it represents the capital β€œS” in mathematical alphabets.

Will 𝑺 display the same on all devices?

Most modern fonts support Unicode mathematical alphabets, but appearance can vary by font. If the glyph looks different, try a math-capable font.