Finite Group DatabasebetaFinite Group DatabasebetaOrder 1728.
273 conjugacy classes of subgroups; only the 26 normal subgroups are shown.
This group has 273 conjugacy classes of subgroups — too many to draw. Only its 26 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| # | subgroup | G/H | class size | multiplicity | normal? | properties |
|---|---|---|---|---|---|---|
| 1 | C9×#997 | C2 | 1 | 1 | yes | maximal, characteristic |
| 2 | C3⋊#5932 | — | 3 | 1 | no | maximal |
| 3 | #10593107 | — | 3 | 2 | no | maximal |
| 4 | #10588923 | — | 3 | 1 | no | maximal |
| 5 | C9⋊SL(2,ℤ/4) | — | 4 | 3 | no | maximal |
| 6 | C3×#997 | D3 | 1 | 1 | yes | characteristic |
| 7 | C9×H(5,𝔽2) | D3 | 1 | 1 | yes | characteristic |
| 8 | #63703 | D3 | 1 | 2 | yes | — |
| 9 | #63497 | — | 3 | 3 | no | — |
| 10 | #63393 | — | 3 | 3 | no | — |
| 11 | C2×C9×A4 | — | 4 | 3 | no | — |
| 12 | C9×SL(2,𝔽3) | — | 8 | 1 | no | — |
| 13 | #5932 | — | 9 | 3 | no | — |
| 14 | #5243 | — | 9 | 1 | no | — |
| 15 | C3⋊SL(2,ℤ/4) | — | 12 | 3 | no | — |
| 16 | C9×#41 | — | 6 | 1 | no | — |
| 17 | C2×D4×C9 | — | 3 | 3 | no | — |
| 18 | C22×Dic9 | — | 3 | 1 | no | — |
| 19 | (C22⋊C9)⋊C4 | — | 12 | 6 | no | — |
| 20 | #3676 | — | 3 | 3 | no | — |
| 21 | #3676 | — | 6 | 3 | no | — |
| 22 | Dic9⋊C4 | — | 6 | 3 | no | — |
| 23 | C9×A4 | — | 4 | 3 | no | — |
| 24 | C3⋊Dic9 | — | 16 | 1 | no | — |
| 25 | C3×H(5,𝔽2) | C3⋊D3 | 1 | 1 | yes | characteristic |
| 26 | #997 | D9 | 1 | 3 | yes | — |
| 27 | #935 | — | 9 | 3 | no | — |
| 28 | #834 | — | 9 | 3 | no | — |
| 29 | C2×C3×A4 | — | 4 | 3 | no | — |
| 30 | C3×SL(2,𝔽3) | — | 8 | 1 | no | — |
| 31 | C23×C9 | — | 3 | 1 | no | — |
| 32 | C23×C9 | S4 | 1 | 3 | yes | — |
| 33 | C2×C22⋊C9 | — | 4 | 6 | no | — |
| 34 | Q8×C9 | — | 2 | 1 | no | — |
| 35 | D4×C9 | — | 6 | 3 | no | — |
| 36 | C2×C4×C9 | — | 3 | 3 | no | — |
| 37 | C2×Dic9 | — | 6 | 3 | no | — |
| 38 | C2×Dic9 | — | 6 | 3 | no | — |
| 39 | Q8⋊C9 | — | 8 | 2 | no | — |
| 40 | #458 | — | 27 | 1 | no | Sylow |
| 41 | C2×C3×C9 | — | 16 | 1 | no | — |
| 42 | C3×#41 | — | 6 | 1 | no | — |
| 43 | C2×C3×D4 | — | 3 | 3 | no | — |
| 44 | C22×Dic3 | — | 9 | 1 | no | — |
| 45 | SL(2,ℤ/4) | — | 36 | 9 | no | — |
| 46 | #217 | — | 9 | 3 | no | — |
| 47 | #217 | — | 18 | 3 | no | — |
| 48 | Dic3⋊C4 | — | 18 | 3 | no | — |
| 49 | C3×A4 | — | 4 | 3 | no | — |
| 50 | C3⋊Dic3 | — | 48 | 1 | no | — |
| 51 | C22×C9 | — | 3 | 3 | no | — |
| 52 | C22×C9 | — | 4 | 3 | no | — |
| 53 | C22×C9 | — | 12 | 1 | no | — |
| 54 | C22⋊C9 | — | 4 | 6 | no | — |
| 55 | C4×C9 | — | 6 | 1 | no | — |
| 56 | Dic9 | — | 12 | 3 | no | — |
| 57 | Dic9 | — | 12 | 1 | no | — |
| 58 | Dic9 | — | 48 | 2 | no | — |
| 59 | H(5,𝔽2) | C3⋊D9 | 1 | 1 | yes | characteristic |
| 60 | #123 | — | 27 | 3 | no | — |
| 61 | #99 | — | 27 | 3 | no | — |
| 62 | C3×C9 | — | 16 | 1 | no | Sylow |
| 63 | C23×C3 | — | 3 | 1 | no | — |
| 64 | C23×C3 | C3⋊S4 | 1 | 3 | yes | — |
| 65 | C2×A4 | — | 4 | 9 | no | — |
| 66 | C3×Q8 | — | 2 | 1 | no | — |
| 67 | C3×D4 | — | 6 | 3 | no | — |
| 68 | C2×C3×C4 | — | 3 | 3 | no | — |
| 69 | C2×Dic3 | — | 18 | 3 | no | — |
| 70 | C2×Dic3 | — | 18 | 3 | no | — |
| 71 | SL(2,𝔽3) | — | 8 | 3 | no | — |
| 72 | C2×C32 | — | 16 | 1 | no | — |
| 73 | C2×C9 | — | 6 | 3 | no | — |
| 74 | C2×C9 | — | 16 | 2 | no | — |
| 75 | C2×C9 | #1020 | 1 | 1 | yes | characteristic |
| 76 | #41 | — | 6 | 1 | no | — |
| 77 | C2×D4 | — | 3 | 3 | no | — |
| 78 | C22×C4 | — | 27 | 1 | no | — |
| 79 | C4⋊C4 | — | 54 | 3 | no | — |
| 80 | C22⋊C4 | — | 27 | 3 | no | — |
| 81 | C22⋊C4 | — | 54 | 3 | no | — |
| 82 | C22×C3 | — | 3 | 3 | no | — |
| 83 | C22×C3 | — | 4 | 3 | no | — |
| 84 | C22×C3 | — | 12 | 1 | no | — |
| 85 | A4 | — | 4 | 9 | no | — |
| 86 | C3×C4 | — | 6 | 1 | no | — |
| 87 | Dic3 | — | 36 | 3 | no | — |
| 88 | Dic3 | — | 36 | 1 | no | — |
| 89 | Dic3 | — | 144 | 3 | no | — |
| 90 | C32 | — | 16 | 1 | no | — |
| 91 | C9 | — | 16 | 2 | no | — |
| 92 | C9 | #5932 | 1 | 1 | yes | characteristic, complemented |
| 93 | C23 | — | 3 | 1 | no | — |
| 94 | C23 | C9⋊S4 | 1 | 3 | yes | — |
| 95 | Q8 | — | 2 | 1 | no | — |
| 96 | D4 | — | 6 | 3 | no | — |
| 97 | C2×C4 | — | 3 | 3 | no | — |
| 98 | C2×C4 | — | 54 | 3 | no | — |
| 99 | C2×C4 | — | 54 | 3 | no | — |
| 100 | C2×C3 | — | 6 | 3 | no | — |
| 101 | C2×C3 | — | 16 | 3 | no | — |
| 102 | C2×C3 | C3⋊#1020 | 1 | 1 | yes | characteristic |
| 103 | C22 | — | 3 | 3 | no | — |
| 104 | C22 | — | 4 | 3 | no | — |
| 105 | C22 | — | 12 | 1 | no | — |
| 106 | C4 | — | 6 | 1 | no | — |
| 107 | C4 | — | 108 | 3 | no | — |
| 108 | C4 | — | 108 | 1 | no | — |
| 109 | C3 | — | 16 | 3 | no | — |
| 110 | C3 | C3⋊#5932 | 1 | 1 | yes | characteristic |
| 111 | C2 | — | 6 | 3 | no | — |
| 112 | C2 | C9⋊#1020 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2 | C9⋊#1020 |
| commutator, cosocle, hypocenter | C9×#997 | C2 |
| Frattini, socle | C2×C3 | C3⋊#1020 |
| Fitting | C9×H(5,𝔽2) | D3 |
| prime radical | C3×#997 | D3 |
| LCS | G ▷ C9×#997 | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 92. C9 | #5932 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C9×#997 | 2 |
| C3⋊#5932 | 3 |
| #10593107 | 3 |
| #10588923 | 3 |
| C9⋊SL(2,ℤ/4) | 4 |