Finite Group DatabasebetaFinite Group DatabasebetaOrder 1728.
601 conjugacy classes of subgroups; only the 37 normal subgroups are shown.
This group has 601 conjugacy classes of subgroups — too many to draw. Only its 37 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, complemented |
| 2 | D3×#997 | — | 3 | 1 | no | maximal |
| 3 | D9×H(5,𝔽2) | C3 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | C2×A4×D9 | — | 4 | 3 | no | maximal |
| 5 | D9×SL(2,𝔽3) | — | 4 | 2 | no | maximal |
| 6 | C3×#997 | D3 | 1 | 1 | yes | characteristic |
| 7 | C9×H(5,𝔽2) | C2×C3 | 1 | 1 | yes | characteristic, complemented |
| 8 | #63715 | — | 3 | 2 | no | — |
| 9 | #41×D9 | — | 3 | 2 | no | — |
| 10 | #63710 | — | 3 | 3 | no | — |
| 11 | C2×D4×D9 | — | 3 | 3 | no | — |
| 12 | #63703 | — | 2 | 1 | no | — |
| 13 | C2×C9×A4 | — | 4 | 3 | no | — |
| 14 | A4×D9 | — | 4 | 6 | no | — |
| 15 | C9×SL(2,𝔽3) | — | 4 | 2 | no | — |
| 16 | D3×H(5,𝔽2) | — | 3 | 1 | no | — |
| 17 | C2×#997 | — | 9 | 1 | no | — |
| 18 | C2×D3×A4 | — | 12 | 3 | no | — |
| 19 | D3×SL(2,𝔽3) | — | 12 | 2 | no | — |
| 20 | C23×D9 | — | 3 | 1 | no | — |
| 21 | C23×D9 | A4 | 1 | 3 | yes | complemented |
| 22 | C9×#41 | — | 3 | 2 | no | — |
| 23 | C2×D4×C9 | — | 3 | 3 | no | — |
| 24 | C2×#611 | — | 3 | 3 | no | — |
| 25 | C2×#611 | — | 3 | 3 | no | — |
| 26 | #3701 | — | 3 | 2 | no | — |
| 27 | Q8×D9 | A4 | 1 | 2 | yes | complemented |
| 28 | #3699 | — | 3 | 6 | no | — |
| 29 | D4×D9 | — | 3 | 6 | no | — |
| 30 | D4×D9 | — | 3 | 12 | no | — |
| 31 | #3697 | — | 3 | 6 | no | — |
| 32 | C2×D36 | — | 3 | 3 | no | — |
| 33 | C2×C4×D9 | — | 3 | 3 | no | — |
| 34 | C2×C3×D9 | — | 16 | 1 | no | — |
| 35 | C9×A4 | — | 4 | 3 | no | — |
| 36 | C3×H(5,𝔽2) | C3×D3 | 1 | 1 | yes | characteristic |
| 37 | #1009 | — | 9 | 2 | no | — |
| 38 | D3×#41 | — | 9 | 2 | no | — |
| 39 | #1004 | — | 9 | 3 | no | — |
| 40 | C2×D3×D4 | — | 9 | 3 | no | — |
| 41 | #997 | — | 2 | 1 | no | — |
| 42 | #997 | D9 | 1 | 1 | yes | characteristic, direct product factor |
| 43 | C2×C3×A4 | — | 4 | 3 | no | — |
| 44 | D3×A4 | — | 12 | 6 | no | — |
| 45 | C3×SL(2,𝔽3) | — | 4 | 2 | no | — |
| 46 | C23×C9 | — | 3 | 1 | no | — |
| 47 | C23×C9 | C2×A4 | 1 | 3 | yes | complemented |
| 48 | C22×D9 | — | 3 | 3 | no | — |
| 49 | C22×D9 | — | 3 | 3 | no | — |
| 50 | C22×D9 | — | 3 | 3 | no | — |
| 51 | C22×D9 | — | 4 | 6 | no | — |
| 52 | C22×D9 | — | 12 | 2 | no | — |
| 53 | C2×C22⋊C9 | — | 8 | 3 | no | — |
| 54 | Q8×C9 | C2×A4 | 1 | 2 | yes | complemented |
| 55 | D4×C9 | — | 3 | 6 | no | — |
| 56 | C2×C4×C9 | — | 3 | 3 | no | — |
| 57 | #611 | — | 3 | 12 | no | — |
| 58 | C2×Dic9 | — | 3 | 3 | no | — |
| 59 | D36 | — | 3 | 6 | no | — |
| 60 | C4×D9 | — | 3 | 6 | no | — |
| 61 | C4×D9 | — | 3 | 2 | no | — |
| 62 | Dic18 | — | 3 | 2 | no | — |
| 63 | Q8⋊C9 | — | 8 | 2 | no | — |
| 64 | C2×H(5,𝔽2) | — | 9 | 1 | no | Sylow |
| 65 | C2×C3×C9 | — | 16 | 1 | no | — |
| 66 | C3×D9 | — | 16 | 2 | no | — |
| 67 | C23×D3 | — | 3 | 3 | no | — |
| 68 | C23×D3 | — | 9 | 1 | no | — |
| 69 | C22×A4 | — | 36 | 3 | no | — |
| 70 | C3×#41 | — | 3 | 2 | no | — |
| 71 | C2×C3×D4 | — | 3 | 3 | no | — |
| 72 | C2×#67 | — | 9 | 3 | no | — |
| 73 | C2×#67 | — | 9 | 3 | no | — |
| 74 | #239 | — | 9 | 2 | no | — |
| 75 | D3×Q8 | — | 3 | 2 | no | — |
| 76 | #237 | — | 9 | 6 | no | — |
| 77 | D3×D4 | — | 9 | 6 | no | — |
| 78 | D3×D4 | — | 9 | 12 | no | — |
| 79 | #235 | — | 9 | 6 | no | — |
| 80 | C2×D12 | — | 9 | 3 | no | — |
| 81 | C2×C4×D3 | — | 9 | 3 | no | — |
| 82 | C2×SL(2,𝔽3) | — | 36 | 2 | no | — |
| 83 | C2×C3×D3 | — | 48 | 1 | no | — |
| 84 | C3×A4 | — | 4 | 3 | no | — |
| 85 | C22×C9 | — | 3 | 3 | no | — |
| 86 | C22×C9 | — | 4 | 3 | no | — |
| 87 | C22×C9 | — | 12 | 1 | no | — |
| 88 | C2×D9 | — | 3 | 3 | no | — |
| 89 | C2×D9 | — | 6 | 6 | no | — |
| 90 | C2×D9 | — | 12 | 3 | no | — |
| 91 | C2×D9 | — | 12 | 3 | no | — |
| 92 | C2×D9 | C22⋊A4 | 1 | 1 | yes | characteristic |
| 93 | C22⋊C9 | — | 8 | 3 | no | — |
| 94 | C4×C9 | — | 3 | 2 | no | — |
| 95 | Dic9 | — | 3 | 2 | no | — |
| 96 | H(5,𝔽2) | — | 27 | 3 | no | — |
| 97 | H(5,𝔽2) | — | 27 | 2 | no | — |
| 98 | H(5,𝔽2) | C3×D9 | 1 | 1 | yes | characteristic, complemented |
| 99 | C2×#41 | — | 27 | 2 | no | — |
| 100 | C22×D4 | — | 27 | 3 | no | — |
| 101 | C3×C9 | — | 16 | 1 | no | Sylow |
| 102 | C23×C3 | — | 3 | 1 | no | — |
| 103 | C23×C3 | D3×A4 | 1 | 3 | yes | — |
| 104 | C22×D3 | — | 9 | 3 | no | — |
| 105 | C22×D3 | — | 9 | 3 | no | — |
| 106 | C22×D3 | — | 9 | 3 | no | — |
| 107 | C22×D3 | — | 12 | 6 | no | — |
| 108 | C22×D3 | — | 36 | 2 | no | — |
| 109 | C2×A4 | — | 4 | 3 | no | — |
| 110 | C2×A4 | — | 8 | 3 | no | — |
| 111 | C2×A4 | — | 36 | 6 | no | — |
| 112 | C3×Q8 | D3×A4 | 1 | 2 | yes | — |
| 113 | C3×D4 | — | 3 | 6 | no | — |
| 114 | C2×C3×C4 | — | 3 | 3 | no | — |
| 115 | #67 | — | 9 | 12 | no | — |
| 116 | C2×Dic3 | — | 9 | 3 | no | — |
| 117 | D12 | — | 9 | 6 | no | — |
| 118 | C4×D3 | — | 9 | 2 | no | — |
| 119 | C4×D3 | — | 9 | 6 | no | — |
| 120 | Dic6 | — | 9 | 2 | no | — |
| 121 | SL(2,𝔽3) | — | 4 | 2 | no | — |
| 122 | SL(2,𝔽3) | — | 8 | 2 | no | — |
| 123 | C2×C32 | — | 16 | 1 | no | — |
| 124 | C3×D3 | — | 48 | 2 | no | — |
| 125 | C2×C9 | — | 6 | 3 | no | — |
| 126 | C2×C9 | — | 32 | 1 | no | — |
| 127 | C2×C9 | C2×C22⋊A4 | 1 | 1 | yes | characteristic |
| 128 | D9 | — | 6 | 3 | no | — |
| 129 | D9 | #997 | 1 | 2 | yes | direct product factor |
| 130 | C24 | — | 9 | 3 | no | — |
| 131 | C24 | — | 27 | 1 | no | — |
| 132 | #41 | — | 3 | 2 | no | — |
| 133 | #41 | — | 27 | 6 | no | — |
| 134 | #41 | — | 27 | 6 | no | — |
| 135 | #41 | — | 27 | 2 | no | — |
| 136 | C2×Q8 | — | 9 | 2 | no | — |
| 137 | C2×D4 | — | 3 | 3 | no | — |
| 138 | C2×D4 | — | 27 | 3 | no | — |
| 139 | C2×D4 | — | 27 | 6 | no | — |
| 140 | C2×D4 | — | 27 | 12 | no | — |
| 141 | C2×D4 | — | 27 | 3 | no | — |
| 142 | C2×D4 | — | 27 | 3 | no | — |
| 143 | C22×C4 | — | 27 | 3 | no | — |
| 144 | C22×C3 | — | 3 | 3 | no | — |
| 145 | C22×C3 | — | 4 | 3 | no | — |
| 146 | C22×C3 | — | 12 | 1 | no | — |
| 147 | C22×C3 | — | 144 | 1 | no | — |
| 148 | C2×D3 | — | 3 | 1 | no | — |
| 149 | C2×D3 | — | 9 | 3 | no | — |
| 150 | C2×D3 | — | 18 | 6 | no | — |
| 151 | C2×D3 | — | 36 | 3 | no | — |
| 152 | C2×D3 | — | 36 | 3 | no | — |
| 153 | A4 | — | 4 | 3 | no | — |
| 154 | A4 | — | 8 | 3 | no | — |
| 155 | C3×C4 | — | 3 | 2 | no | — |
| 156 | Dic3 | — | 9 | 2 | no | — |
| 157 | C32 | — | 16 | 1 | no | — |
| 158 | C9 | — | 32 | 1 | no | — |
| 159 | C9 | C2×#997 | 1 | 1 | yes | characteristic, complemented |
| 160 | C23 | — | 3 | 1 | no | — |
| 161 | C23 | — | 27 | 3 | no | — |
| 162 | C23 | — | 27 | 3 | no | — |
| 163 | C23 | — | 27 | 3 | no | — |
| 164 | C23 | — | 36 | 6 | no | — |
| 165 | C23 | — | 108 | 2 | no | — |
| 166 | C23 | A4×D9 | 1 | 3 | yes | complemented |
| 167 | Q8 | — | 27 | 2 | no | — |
| 168 | Q8 | A4×D9 | 1 | 2 | yes | complemented |
| 169 | D4 | — | 3 | 6 | no | — |
| 170 | D4 | — | 27 | 6 | no | — |
| 171 | D4 | — | 27 | 12 | no | — |
| 172 | C2×C4 | — | 3 | 3 | no | — |
| 173 | C2×C4 | — | 27 | 2 | no | — |
| 174 | C2×C4 | — | 27 | 6 | no | — |
| 175 | C2×C4 | — | 27 | 3 | no | — |
| 176 | C2×C3 | — | 6 | 3 | no | — |
| 177 | C2×C3 | — | 16 | 1 | no | — |
| 178 | C2×C3 | — | 32 | 1 | no | — |
| 179 | C2×C3 | — | 144 | 2 | no | — |
| 180 | C2×C3 | D3×C22⋊A4 | 1 | 1 | yes | characteristic |
| 181 | D3 | — | 3 | 2 | no | — |
| 182 | D3 | — | 18 | 3 | no | — |
| 183 | C22 | — | 3 | 3 | no | — |
| 184 | C22 | — | 4 | 3 | no | — |
| 185 | C22 | — | 9 | 1 | no | — |
| 186 | C22 | — | 12 | 1 | no | — |
| 187 | C22 | — | 27 | 3 | no | — |
| 188 | C22 | — | 54 | 6 | no | — |
| 189 | C22 | — | 108 | 3 | no | — |
| 190 | C22 | — | 108 | 3 | no | — |
| 191 | C4 | — | 3 | 2 | no | — |
| 192 | C4 | — | 27 | 2 | no | — |
| 193 | C3 | — | 16 | 1 | no | — |
| 194 | C3 | — | 32 | 1 | no | — |
| 195 | C3 | D3×#997 | 1 | 1 | yes | characteristic |
| 196 | C2 | — | 6 | 3 | no | — |
| 197 | C2 | — | 9 | 2 | no | — |
| 198 | C2 | — | 54 | 3 | no | — |
| 199 | C2 | D9×C22⋊A4 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2 | D9×C22⋊A4 |
| commutator, Fitting, cosocle, hypocenter | C9×H(5,𝔽2) | C2×C3 |
| Frattini, socle | C2×C3 | D3×C22⋊A4 |
| LCS | G ▷ C9×H(5,𝔽2) | |
| UCS | C1 ◁ C2 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. C9×#997 | C2 | semidirect |
| 3. D9×H(5,𝔽2) | C3 | semidirect |
| 7. C9×H(5,𝔽2) | C2×C3 | semidirect |
| 21. C23×D9 | A4 | semidirect |
| 27. Q8×D9 | A4 | semidirect |
| 42. #997 | D9 | direct (N × H) |
| 47. C23×C9 | C2×A4 | semidirect |
| 54. Q8×C9 | C2×A4 | semidirect |
| 98. H(5,𝔽2) | C3×D9 | semidirect |
| 129. D9 | #997 | direct (N × H) |
| 159. C9 | C2×#997 | semidirect |
| 166. C23 | A4×D9 | semidirect |
| 168. Q8 | A4×D9 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| C9×#997 | 2 |
| D3×#997 | 3 |
| D9×H(5,𝔽2) | 3 |
| C2×A4×D9 | 4 |
| D9×SL(2,𝔽3) | 4 |