612edo: Difference between revisions

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== Regular temperament properties ==
== Regular temperament properties ==
{| class="wikitable center-4 center-5 center-6"
{{comma basis begin}}
! rowspan="2" | [[Subgroup]]
! rowspan="2" | [[Comma list|Comma List]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | Optimal<br>8ve Stretch (¢)
! colspan="2" | Tuning Error
|-
! [[TE error|Absolute]] (¢)
! [[TE simple badness|Relative]] (%)
|-
|-
| 2.3.5
| 2.3.5
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| 1331/1330, 1540/1539, 2200/2197, 2376/2375, 2926/2925, 4096/4095
| 1331/1330, 1540/1539, 2200/2197, 2376/2375, 2926/2925, 4096/4095
| {{mapping| 612 970 1421 1718 2117 2265 2600 }}
| {{mapping| 612 970 1421 1718 2117 2265 2600 }}
| -0.0168
| &minus;0.0168
| 0.0917
| 0.0917
| 4.68
| 4.68
|}
{{comma basis end}}
* 612et has a lower relative error than any previous equal temperaments in the 5-limit. Not until [[1171edo|1171]] do we find a better equal temperament in terms of either absolute error or relative error.  
* 612et has a lower relative error than any previous equal temperaments in the 5-limit. Not until [[1171edo|1171]] do we find a better equal temperament in terms of either absolute error or relative error.  
* Besides, it has a lower absolute error in the 7- and 11-limit than any previous equal temperaments, and is only bettered by [[935edo|935]] and [[836edo|836]], respectively.  
* It also has a lower absolute error in the 7- and 11-limit than any previous equal temperaments, and is only bettered by [[935edo|935]] and [[836edo|836]], respectively.  


=== Rank-2 temperaments ===
=== Rank-2 temperaments ===
{| class="wikitable center-all left-5"
{{rank-2 begin}}
|+Table of rank-2 temperaments by generator
! Periods<br>per 8ve
! Generator*
! Cents*
! Associated<br>Ratio*
! Temperaments
|-
|-
| 1
| 1
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|-
|-
| 4
| 4
| 194\612<br>(41\612)
| 194\612<br />(41\612)
| 380.39<br>(80.39)
| 380.39<br />(80.39)
| 81/65<br>(22/21)
| 81/65<br />(22/21)
| [[Quasithird]]
| [[Quasithird]]
|-
|-
| 9
| 9
| 133\612<br>(25\612)
| 133\612<br />(25\612)
| 315.69<br>(49.02)
| 315.69<br />(49.02)
| 6/5<br>(36/35)
| 6/5<br />(36/35)
| [[Ennealimmal]]
| [[Ennealimmal]]
|-
|-
| 12
| 12
| 124\612<br>(22\612)
| 124\612<br />(22\612)
| 243.137<br>(43.14)
| 243.137<br />(43.14)
| 3145728/2734375<br>(?)
| 3145728/2734375<br />(?)
| [[Magnesium]]
| [[Magnesium]]
|-
|-
| 12
| 12
| 254\612<br>(1\612)
| 254\612<br />(1\612)
| 498.04<br>(1.96)
| 498.04<br />(1.96)
| 4/3<br>(32805/32768)
| 4/3<br />(32805/32768)
| [[Atomic]]
| [[Atomic]]
|-
|-
| 17
| 17
| 127\612<br>(17\612)
| 127\612<br />(17\612)
| 249.02<br>(33.33)
| 249.02<br />(33.33)
| {{monzo| -23 5 9 -2 }}<br>(100352/98415)
| {{monzo| -23 5 9 -2 }}<br />(100352/98415)
| [[Chlorine]]
| [[Chlorine]]
|-
|-
| 18
| 18
| 127\612<br>(9\612)
| 127\612<br />(9\612)
| 249.02<br>(17.65)
| 249.02<br />(17.65)
| 231/200<br>(99/98)
| 231/200<br />(99/98)
| [[Hemiennealimmal]] (11-limit)
| [[Hemiennealimmal]] (11-limit)
|}
{{rank-2 end}}
<nowiki>*</nowiki> [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct
{{orf}}


== Music ==
== Music ==