1171edo: Difference between revisions

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The 1171 equal division divides the octave into 1171 parts of size 1.0248 cents each. It is a very strong 5-limit division, being the first one past [[612edo|612]] with a lower 5-limit [[Tenney-Euclidean_temperament_measures#TE simple badness|relative error]]. It has a 5-limit [[comma basis]] consisting of the monzisma, |54 -37 2> and whoosh, |37 25 -33>. While not a strong higher-limit system, it is uniquely consistent through the 27-limit, and is very strong on the 2.3.5.11 subgroup. We might also note that 1171 is a prime number.
{{Infobox ET}}
{{ED intro}}
 
== Theory ==
1171edo is a very strong 5-limit division, being the first one past [[612edo|612]] with a lower 5-limit [[Tenney-Euclidean temperament measures #TE simple badness|relative error]]. It has a 5-limit [[comma basis]] consisting of the [[monzisma]], {{monzo| 54 -37 2 }} and whoosh, {{monzo| 37 25 -33 }}. While not a strong higher-limit system, it is [[consistency|distinctly consistent]] through the [[27-odd-limit]], and is very strong on the 2.3.5.11 [[subgroup]].
 
=== Prime harmonics ===
{{Harmonics in equal|1171}}
 
=== Subsets and supersets ===
1171edo is the 193rd [[prime edo]]. [[2342edo]] which doubles it, corrects its [[harmonic]] [[7/1|7]] to a near-just quality.
 
== Regular temperament properties ==
=== Rank-2 temperaments ===
{| class="wikitable center-all left-5"
|+ style="font-size: 105%;" | Table of rank-2 temperaments by generator
|-
! Periods<br />per 8ve
! Generator*
! Cents*
! Associated<br />ratio*
! Temperaments
|-
| 1
| 129\1171
| 132.195
| {{Monzo| -38 5 13 }}
| [[Astro]]
|-
| 1
| 243\1171
| 249.018
| {{Monzo| -26 18 -1 }}
| [[Monzismic]]
|-
| 1
| 315\1171
| 322.801
| {{Monzo| -6 23 -13 }}
| [[Senior]]
|-
| 1
| 335\1171
| 343.296
| 8000/6561
| [[Raider]]
|-
| 1
| 547\1171
| 560.547
| 864/625
| [[Whoosh]]
|}
<nowiki />* [[Normal forms #Equave-reduced-generator form|Octave-reduced form]], reduced to the first half-octave, and [[normal forms #Minimal-generator form|minimal form]] in parentheses if distinct
 
== Music ==
; [[Francium]]
* "Right On Friendly Lovers" from ''Naughty Girl Era'' (2024) – [https://open.spotify.com/track/208kkCqXksQWhT0zdxFXYm Spotify] | [https://francium223.bandcamp.com/track/right-on-friendly-lovers Bandcamp] | [https://www.youtube.com/watch?v=_qqisIAkVRc YouTube] − in Friesachic, 1171edo tuning
* "Apply to a Print" from ''I Want To'' (2025) – [https://open.spotify.com/track/5botrdPX1YdFmk2mP6kbOr Spotify] | [https://francium223.bandcamp.com/track/apply-to-a-print Bandcamp] | [https://www.youtube.com/watch?v=ui-ORXPgqaE YouTube] – in Viljevic, 1171edo tuning