Porcupine family: Difference between revisions

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 ==== Subgroup extensions ====
-Noting that {{nowrap| 250/243 {{=}} [[Square superparticular#Top-heavy lopsided commas|S10<sup>2</sup>⋅S11]] {{=}} ([[55/54]])⋅([[100/99]]) }}, the temperament thus extends naturally to the 2.3.5.11 [[subgroup]], sometimes known as ''porkypine'', given right below.
+Noting that {{nowrap| 250/243 {{=}} ([[55/54]])⋅([[100/99]]) {{=}} S10<sup>2</sup>⋅[[121/120|S11]] }}, the temperament thus extends naturally to the 2.3.5.11 [[subgroup]], sometimes known as ''porkypine'', given right below.
 === 2.3.5.11 subgroup (porkypine) ===