Finite Group DatabasebetaFinite Group DatabasebetaOrder 20864.
236 conjugacy classes of subgroups; only the 41 normal subgroups are shown.
This group has 236 conjugacy classes of subgroups — too many to draw. Only its 41 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 | #23782381 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | #23781847 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | #23781840 | C2 | 1 | 2 | yes | maximal, complemented |
| 4 | #23781461 | C2 | 1 | 2 | yes | maximal, complemented |
| 5 | #356×C163 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 6 | #19104783 | C22 | 1 | 1 | yes | characteristic |
| 7 | #19104766 | — | 2 | 1 | no | — |
| 8 | #19104763 | — | 2 | 2 | no | — |
| 9 | #19104724 | — | 2 | 1 | no | — |
| 10 | #19104724 | C22 | 1 | 2 | yes | — |
| 11 | #19104710 | — | 2 | 2 | no | — |
| 12 | C4×D652 | — | 2 | 1 | no | — |
| 13 | #19104693 | — | 2 | 2 | no | — |
| 14 | #19104663 | — | 2 | 1 | no | — |
| 15 | #19104661 | — | 2 | 2 | no | — |
| 16 | #19104654 | C22 | 1 | 1 | yes | characteristic |
| 17 | C4⋊Q8×C163 | C22 | 1 | 1 | yes | characteristic |
| 18 | #101×C163 | C22 | 1 | 2 | yes | — |
| 19 | #14579700 | — | 4 | 1 | no | — |
| 20 | #14579699 | — | 2 | 2 | no | — |
| 21 | #14579699 | — | 2 | 1 | no | — |
| 22 | Q8×D163 | — | 4 | 1 | no | — |
| 23 | C2×D652 | — | 2 | 1 | no | — |
| 24 | C2×D652 | — | 2 | 1 | no | — |
| 25 | C2×D652 | D4 | 1 | 2 | yes | — |
| 26 | C2×C4×D163 | — | 2 | 2 | no | — |
| 27 | #14579689 | — | 4 | 1 | no | — |
| 28 | #14579688 | — | 4 | 2 | no | — |
| 29 | #14579686 | — | 4 | 1 | no | — |
| 30 | D1304 | — | 4 | 2 | no | — |
| 31 | #14579683 | — | 2 | 1 | no | — |
| 32 | C4⋊Dic163 | — | 2 | 1 | no | — |
| 33 | (C2×D163)⋊C4 | — | 2 | 2 | no | — |
| 34 | (C2×D163)⋊C4 | — | 2 | 2 | no | — |
| 35 | (C2×D163)⋊C4 | — | 2 | 2 | no | — |
| 36 | C4×Dic163 | — | 2 | 1 | no | — |
| 37 | C4×Dic163 | D4 | 1 | 2 | yes | — |
| 38 | C2×Q8×C163 | D4 | 1 | 1 | yes | characteristic |
| 39 | C2×Q8×C163 | C23 | 1 | 1 | yes | characteristic |
| 40 | M16×C163 | — | 2 | 2 | no | — |
| 41 | C4⋊C4×C163 | — | 2 | 2 | no | — |
| 42 | C42×C163 | D4 | 1 | 1 | yes | characteristic |
| 43 | C22×D163 | — | 2 | 2 | no | — |
| 44 | Dic326 | — | 2 | 2 | no | — |
| 45 | Dic326 | — | 2 | 1 | no | — |
| 46 | D652 | — | 2 | 2 | no | — |
| 47 | D652 | — | 2 | 1 | no | — |
| 48 | D652 | — | 4 | 2 | no | — |
| 49 | D652 | — | 4 | 2 | no | — |
| 50 | D652 | — | 8 | 1 | no | — |
| 51 | C22⋊D163 | — | 4 | 1 | no | — |
| 52 | C2×Dic163 | — | 2 | 2 | no | — |
| 53 | C4×D163 | — | 4 | 4 | no | — |
| 54 | C4×D163 | — | 4 | 2 | no | — |
| 55 | C4×D163 | — | 4 | 1 | no | — |
| 56 | C163⋊C8 | — | 4 | 1 | no | — |
| 57 | Q8×C163 | — | 4 | 1 | no | — |
| 58 | Q8×C163 | — | 4 | 1 | no | — |
| 59 | C2×C4×C163 | — | 2 | 1 | no | — |
| 60 | C2×C4×C163 | — | 2 | 1 | no | — |
| 61 | C2×C4×C163 | C2×D4 | 1 | 2 | yes | — |
| 62 | C2×C4×C163 | C2×D4 | 1 | 1 | yes | characteristic |
| 63 | C8×C163 | — | 4 | 2 | no | — |
| 64 | C22×C163 | #120 | 1 | 1 | yes | characteristic |
| 65 | C2×D163 | — | 4 | 2 | no | — |
| 66 | C2×D163 | — | 4 | 2 | no | — |
| 67 | C2×D163 | — | 4 | 1 | no | — |
| 68 | C2×D163 | — | 4 | 2 | no | — |
| 69 | C4×C163 | — | 2 | 2 | no | — |
| 70 | C4×C163 | — | 2 | 2 | no | — |
| 71 | C4×C163 | — | 2 | 1 | no | — |
| 72 | C4×C163 | — | 4 | 1 | no | — |
| 73 | Dic163 | — | 4 | 2 | no | — |
| 74 | Dic163 | — | 4 | 1 | no | — |
| 75 | C2×C163 | — | 2 | 1 | no | — |
| 76 | C2×C163 | B(4,𝔽2) | 1 | 1 | yes | characteristic |
| 77 | D163 | — | 8 | 1 | no | — |
| 78 | D163 | — | 8 | 2 | no | — |
| 79 | C163 | #2204 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 80 | #2204 | — | 163 | 1 | no | maximal, Sylow |
| 81 | #555 | — | 163 | 1 | no | — |
| 82 | #456 | — | 163 | 1 | no | — |
| 83 | #454 | — | 163 | 2 | no | — |
| 84 | #356 | D163 | 1 | 1 | yes | characteristic, complemented |
| 85 | #355 | — | 163 | 2 | no | — |
| 86 | 2−1+4 | — | 163 | 1 | no | — |
| 87 | #137 | — | 326 | 1 | no | — |
| 88 | AGL(1,ℤ/8) | — | 326 | 2 | no | — |
| 89 | C4⋊Q8 | C2×D163 | 1 | 1 | yes | characteristic |
| 90 | #124 | — | 326 | 1 | no | — |
| 91 | #124 | — | 163 | 2 | no | — |
| 92 | #121 | — | 326 | 2 | no | — |
| 93 | C4×D4 | — | 326 | 1 | no | — |
| 94 | #117 | — | 326 | 2 | no | — |
| 95 | #104 | — | 326 | 2 | no | — |
| 96 | #104 | — | 326 | 1 | no | — |
| 97 | #101 | — | 163 | 1 | no | — |
| 98 | #101 | C2×D163 | 1 | 2 | yes | — |
| 99 | #41 | — | 326 | 2 | no | — |
| 100 | #41 | — | 326 | 1 | no | — |
| 101 | #41 | — | 652 | 1 | no | — |
| 102 | C2×Q8 | — | 652 | 1 | no | — |
| 103 | C2×Q8 | D652 | 1 | 1 | yes | characteristic |
| 104 | C2×Q8 | C22×D163 | 1 | 1 | yes | characteristic |
| 105 | C2×D4 | — | 326 | 1 | no | — |
| 106 | C2×D4 | — | 326 | 1 | no | — |
| 107 | C2×D4 | — | 163 | 2 | no | — |
| 108 | C22×C4 | — | 326 | 2 | no | — |
| 109 | Q16 | — | 652 | 1 | no | — |
| 110 | SD16 | — | 652 | 2 | no | — |
| 111 | SD16 | — | 652 | 1 | no | — |
| 112 | D8 | — | 652 | 2 | no | — |
| 113 | M16 | — | 2 | 2 | no | — |
| 114 | M16 | — | 326 | 1 | no | — |
| 115 | C4⋊C4 | — | 2 | 2 | no | — |
| 116 | C4⋊C4 | — | 326 | 1 | no | — |
| 117 | C22⋊C4 | — | 326 | 2 | no | — |
| 118 | C22⋊C4 | — | 326 | 2 | no | — |
| 119 | C22⋊C4 | — | 326 | 2 | no | — |
| 120 | C42 | — | 326 | 1 | no | — |
| 121 | C42 | — | 163 | 2 | no | — |
| 122 | C42 | D652 | 1 | 1 | yes | characteristic |
| 123 | C23 | — | 326 | 2 | no | — |
| 124 | Q8 | — | 4 | 1 | no | — |
| 125 | Q8 | — | 4 | 1 | no | — |
| 126 | Q8 | — | 326 | 2 | no | — |
| 127 | Q8 | — | 326 | 1 | no | — |
| 128 | D4 | — | 1304 | 1 | no | — |
| 129 | D4 | — | 326 | 2 | no | — |
| 130 | D4 | — | 326 | 1 | no | — |
| 131 | D4 | — | 652 | 2 | no | — |
| 132 | D4 | — | 652 | 2 | no | — |
| 133 | D4 | — | 652 | 1 | no | — |
| 134 | C2×C4 | — | 2 | 1 | no | — |
| 135 | C2×C4 | — | 2 | 1 | no | — |
| 136 | C2×C4 | — | 326 | 2 | no | — |
| 137 | C2×C4 | — | 652 | 4 | no | — |
| 138 | C2×C4 | — | 652 | 2 | no | — |
| 139 | C2×C4 | — | 652 | 1 | no | — |
| 140 | C2×C4 | D4×D163 | 1 | 2 | yes | — |
| 141 | C2×C4 | C2×D652 | 1 | 1 | yes | characteristic |
| 142 | C8 | — | 4 | 2 | no | — |
| 143 | C8 | — | 652 | 1 | no | — |
| 144 | C22 | — | 652 | 2 | no | — |
| 145 | C22 | — | 652 | 2 | no | — |
| 146 | C22 | — | 652 | 1 | no | — |
| 147 | C22 | — | 652 | 2 | no | — |
| 148 | C22 | #19104705 | 1 | 1 | yes | characteristic |
| 149 | C4 | — | 2 | 2 | no | — |
| 150 | C4 | — | 2 | 2 | no | — |
| 151 | C4 | — | 2 | 1 | no | — |
| 152 | C4 | — | 4 | 1 | no | — |
| 153 | C4 | — | 652 | 2 | no | — |
| 154 | C4 | — | 652 | 1 | no | — |
| 155 | C2 | — | 2 | 1 | no | — |
| 156 | C2 | — | 1304 | 2 | no | — |
| 157 | C2 | — | 1304 | 1 | no | — |
| 158 | C2 | #23781853 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #23782381 | C2 | semidirect |
| 2. #23781847 | C2 | semidirect |
| 3. #23781840 | C2 | semidirect |
| 4. #23781461 | C2 | semidirect |
| 5. #356×C163 | C2 | semidirect |
| 79. C163 | #2204 | semidirect |
| 84. #356 | D163 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #23782381 | 2 |
| #23781847 | 2 |
| #23781840 | 2 |
| #23781461 | 2 |
| #356×C163 | 2 |
| #2204 | 163 |