User:Flirora/31edo chords
| Name | Symbol | Symbol (Kite) | Notation (from C) | Steps | Approximate JI | Notes |
|---|---|---|---|---|---|---|
| major | (M) | (M) | C E G | 0 10 18 | 4:5:6 | |
| minor | m | m | C Eb G | 0 8 18 | 10:12:15 | |
| neutral | n | ~ | C Ed G | 0 9 18 | 18:22:27 | |
| subminor | sm | vm | C Edb G | 0 7 18 | 6:7:9 | |
| supermajor | SM | ^ | C Et G | 0 11 18 | 14:18:21 | |
| suspended 4 | sus4 | 4 | C F G | 0 13 18 | 6:8:9 | |
| suspended 2 | sus2 | 2 | C D G | 0 5 18 | 8:9:12 | |
| suspended d4 | susd4 | (v4) | C Fd G | 0 12 18 | 16:21:24 | |
| suspended t4 | sust4 | (^4) | C Ft G | 0 14 18 | 8:11:12 | |
| suspended #4 | sus#4 | (#4) | C F# G | 0 15 18 | 10:14:15 | |
| suspended t2 | sust2 | (^2) | C Dt G | 0 6 18 | 14:16:21 | |
| suspended d2 | susd2 | (v2) | C Dd G | 0 4 18 | 10:11:15 | |
| suspended b2 | susb2 | (b2) | C Db G | 0 3 18 | 14:15:21 | |
| major 7th | M7 | M7 | C E G B | 0 10 18 28 | 8:10:12:15 | |
| minor 7th | m7 | m7 | C Eb G Bb | 0 8 18 26 | 10:12:15:18 | |
| neutral 7th | n7 | ~7 | C Ed G Bd | 0 9 18 27 | 18:22:27:33 | |
| subminor 7th | sm7 | vm7 | C Edb G Bdb | 0 7 18 25 | 12:14:18:21 | |
| supermajor 7th | SM7 | ^M7 | C Et G Bt | 0 11 18 29 | 14:18:21:27 | |
| (dominant) 7th | 7 | 7 | C E G Bb | 0 10 18 26 | 20:25:30:36 | |
| harmonic 7th | h7 | ,v7 | C E G Bdb | 0 10 18 25 | 4:5:6:7 | |
| 7th t3 | 7(t3) | ^,7 | C Et G Bb | 0 11 18 26 | 70:90:105:126 | |
| harmonic 7th t3 | h7(t3) | ^,v7 | C Et G Bdb | 0 11 18 25 | 28:36:42:49 | "tritone" is a super 4th (~11:8) |
| harmonic 9th | h9 | 9(v7) | C E G Bdb D | 0 10 18 25 36 | 4:5:6:7:9 | |
| harmonic 11th | h9(t11) | 9~11(v7) | C E G Bdb D Ft | 0 10 18 25 36 45 | 4:5:6:7:9:11 | |
| harmonic 13th | h9(d13,t11) | 9~11~13(v7) | C E G Bdb D Ft Ad | 0 10 18 25 36 45 53 | 4:5:6:7:9:11:13 | |
| subminor d7 | sm(d7) | vm,~7 | C Edb G Bd | 0 7 18 27 | 6:7:9:11 | |
| subharmonic 7th | sh7 | vm7(vb5) | C Edb Gdb Bdb | 0 7 15 25 | 60:70:84:105 | = sm7(db5) |
| major add 2 | add2 | ,2 | C D E G | 0 5 10 18 | 8:9:10:12 | |
| major add t4 | addt4 | ,^4 | C E Ft G | 0 10 14 18 | 8:10:11:12 | |
| major add 2,t4 | add2,t4 | ,2,^4 | C D E Ft G | 0 5 10 14 18 | 8:9:10:11:12 | |
| minor add d2 | m(addd2) | m,v2 | C Dd Eb G | 0 4 8 18 | 10:11:12:15 | |
| minor add #4 | m(add#4) | m,#4 | C Eb F# G | 0 8 15 18 | 10:12:14:15 | |
| minor add d2,#4 | m(addd2,#4) | m,v2,#4 | C Dd Eb F# G | 0 4 8 15 18 | 10:11:12:14:15 | |
| subminor add 4 | sm(add4) | vm,4 | C Edb F G | 0 7 13 18 | 6:7:8:9 | |
| supermajor add t2 | SM(addt2) | ^,^2 | C Dt Et G | 0 6 11 18 | 14:16:18:21 | |
| suspended t2,d4 | sust2,d4 | ^2,v4 | C Dt Fd G | 0 6 12 18 | 686:784:896:(1024 ≈ 1029) | essentially tempered slendric |
| 6/9 | 6/9 | 6,9 | C D E G A | 0 5 10 18 23 | 64:72:(80 ≈ 81):96:108 | essentially tempered meantone |
| major 6th | 6 | 6 | C E G A | 0 10 18 23 | 12:15:18:20 | inversion of Am7 |
| minor 6th | m6 | m6 | C Eb G A | 0 8 18 23 | 30:36:45:50 | inversion of Am7(b5) |
| subminor add 6 | sm(add6) | vm,6 | C Edb G A | 0 7 18 23 | 6:7:9:10 | |
| subharmonic 6th | sh6 | m,^6 | C Eb G At | 0 8 18 24 | 70:84:105:120 | inversion of Atsh7 |
| diminished | ° | d | C Eb Gb | 0 8 16 | 25:30:36 | |
| diminished 7th | °7 | d7 | C Eb Gb Bbb | 0 8 16 24 | not symmetrical unlike in 12edo | |
| minor 7th b5 | m7(b5) | d,7 | C Eb Gb Bb | 0 8 16 26 | ||
| supermajor b5 | SM(b5) | ^(b5) | C Et Gb | 0 11 16 | 7:9:10 | |
| supermajor b5 add 2 | SM(b5)(add2) | ^,2(b5) | C D Et Gb | 0 6 11 16 | 7:8:9:10 | |
| augmented | + | a | C E G# | 0 10 20 | 16:20:25 | not symmetrical unlike in 12edo |
| major d5 | (d5) | (v5) | C E Gd | 0 10 17 | 36:45:52 | oneirotonic R-M3-M5 ("falling major") |
| minor d5 | m(d5) | m(v5) | C Eb Gd | 0 8 17 | 45:54:65 | |
| subminor d5 | sm(d5) | vm(v5) | C Edb Gd | 0 7 17 | 18:21:26 | oneirotonic R-m3-M5 ("falling minor") |
| major t5 | (t5) | (^5) | C E Gt | 0 10 19 | 84:105:128 | oneirotonic R-M3-P6 ("rising major") |
| minor t5 | m(t5) | m(^5) | C Eb Gt | 0 8 19 | 105:126:160 | |
| subminor t5 | sm(t5) | vm(^5) | C Edb Gt | 0 7 19 | 42:49:64 | oneirotonic R-m3-P6 ("rising minor") |
| Approximate JI | Notation (from C) | Steps |
|---|---|---|
| 8:9:10:11:12:14:15:16 | C D E Ft G Bdb B C | 0 5 10 14 18 25 28 31 |
| 9:10:11:12:14:15:16:18 | C D Ed F G# A Bb C | 0 5 9 13 20 23 26 31 |
| 10:11:12:14:15:16:18:20 | C Dd Eb F# G Ab Bb C | 0 4 8 15 18 21 26 31 |
| 11:12:14:15:16:18:20:21:22 | C Dd Et Ft Gd Ad Bd Bt C | 0 4 11 14 17 22 27 29 31 |
| 12:14:15:16:18:20:21:22:24 | C Edb E F G A Bdb Bd C | 0 7 10 13 18 23 25 27 31 |
| 14:15:16:18:20:21:22:24:25:27:28 | C Db Dt Et F# G G# At Bb Bt C | 0 3 6 11 15 18 20 24 26 29 31 |
| 15:16:18:20:21:22:24:25:27:28:30 | C Db Eb F F# Gd Ab A Bb B C | 0 3 8 13 15 17 21 23 26 28 31 |
| 16:18:20:21:22:24:25:27:28:30:32 | C D E Fb Ft G G# A Bdb B C | 0 5 10 12 14 18 20 23 25 28 31 |
| 18:20:21:22:24:25:27:28:30:32:33:35:36 | C D Edb Ed F F# G G# A Bb Bd Cd C | 0 5 7 9 13 15 18 20 23 26 27 29 31 |
| 20:21:22:24:25:27:28:30:32:33:35:36:40 | C C# Dd Eb E F F# G Ab Ad Bdb Bb C | 0 2 4 8 10 13 15 18 21 22 25 26 31 |
| 21:22:24:25:27:28:30:32:33:35:36:40:42 | C C# Dt Eb Et F F# Gt G# A At Bt C | 0 2 6 8 11 13 15 19 20 23 24 29 31 |