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𝜱

Mathematical Bold Italic Capital Phi Symbol

𝜱 is the Mathematical Bold Italic Capital Phi character (U+1D731) used for styled Greek letter notation.

U+1D731

𝜱 is a styled Greek capital phi used in mathematical and technical typography. It’s commonly needed when you want a specific β€œbold italic” look rather than the plain Greek letter.

Mathematical Bold Italic Capital Phi Symbol Meaning

𝜱 (Unicode U+1D731) is the β€œMATHEMATICAL BOLD ITALIC CAPITAL PHI.” It represents a Greek capital Phi in a specific typographic style, useful when your notation must match a particular font weight and slant. Compared to plain Ξ¦, this version is designed for mathematical typesetting workflows where consistent glyph styling matters. In practice, it often appears in equations, variable naming in technical writing, and custom symbol sets where the visual form of the letter (bold + italic) is significant.

Common uses

  • β€’Mathematical notation where a bold-italic capital phi is required
  • β€’Labeling variables or parameters in scientific/engineering documents
  • β€’Designing equations and typographic compositions in editors that support Unicode math
  • β€’Building custom symbol sets for reports, slides, or posters with consistent styling
  • β€’Programming UI labels or templates that need a specific styled glyph

Examples

𝜱 Mathematic Bold Italic Capital Phi

  • 𝜱Let 𝜱 be the phase factor in the model.
  • 𝜱The matrix has eigenvalues labeled by 𝜱.
  • 𝜱We denote the transformation parameter as 𝜱.
  • 𝜱In the derivation, 𝜱 changes sign under the substitution.
  • 𝜱Use 𝜱 to represent the bold-italic capital phi in this style.

Variations

Ready to copy

Technical codes

UnicodeU+1D731
HTML Entity𝜱
HTML Code𝜱
CSS\1D731

FAQ

What does the Mathematical Bold Italic Capital Phi symbol mean?

𝜱 (Unicode U+1D731) is the β€œMATHEMATICAL BOLD ITALIC CAPITAL PHI.” It represents a Greek capital Phi in a specific typographic style, useful when your notation must match a particular font weight and slant. Compared to plain Ξ¦, this version is designed for mathematical typesetting workflows where consistent glyph styling matters. In practice, it often appears in equations, variable naming in technical writing, and custom symbol sets where the visual form of the letter (bold + italic) is significant.

What is the Unicode code point for 𝜱?

𝜱 is U+1D731.

How can I paste 𝜱 in HTML?

Use the HTML entity: 𝜱.

How do I write 𝜱 in CSS?

Use the CSS escape: \\1D731.

How do I include 𝜱 in JavaScript strings?

Use: \\u{1D731}.