Finite Group DatabasebetaFinite Group DatabasebetaOrder 640.
224 conjugacy classes of subgroups; only the 41 normal subgroups are shown.
This group has 224 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 | #66056 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | C5×#456 | C2 | 1 | 1 | yes | maximal, characteristic |
| 3 | #65535 | C2 | 1 | 2 | yes | maximal |
| 4 | #64768 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 5 | #64698 | C2 | 1 | 2 | yes | maximal, complemented |
| 6 | C5×2−1+4 | C22 | 1 | 1 | yes | characteristic |
| 7 | C5×#137 | — | 2 | 1 | no | — |
| 8 | C5×C4⋊Q8 | C22 | 1 | 1 | yes | characteristic |
| 9 | #4097 | — | 2 | 2 | no | — |
| 10 | #4090 | — | 2 | 1 | no | — |
| 11 | #4090 | C22 | 1 | 2 | yes | — |
| 12 | #4034 | — | 2 | 2 | no | — |
| 13 | #4033 | — | 2 | 2 | no | — |
| 14 | C4×Dic10 | — | 2 | 1 | no | — |
| 15 | C5×#104 | — | 2 | 1 | no | — |
| 16 | C5×#101 | C22 | 1 | 1 | yes | characteristic |
| 17 | #3969 | — | 2 | 2 | no | — |
| 18 | #3968 | C22 | 1 | 2 | yes | — |
| 19 | #2205 | — | 5 | 1 | no | maximal, Sylow |
| 20 | C5×#41 | — | 2 | 2 | no | — |
| 21 | C5×#41 | — | 2 | 1 | no | — |
| 22 | C5×#41 | — | 4 | 1 | no | — |
| 23 | C2×C5×Q8 | — | 4 | 1 | no | — |
| 24 | C2×C5×Q8 | D4 | 1 | 1 | yes | characteristic |
| 25 | C2×C5×Q8 | C23 | 1 | 1 | yes | characteristic |
| 26 | C2×Dic10 | — | 2 | 1 | no | — |
| 27 | C2×Dic10 | — | 2 | 1 | no | — |
| 28 | C2×Dic10 | D4 | 1 | 2 | yes | — |
| 29 | C5×Q16 | — | 4 | 1 | no | — |
| 30 | C5×SD16 | — | 4 | 1 | no | — |
| 31 | C5×M16 | — | 2 | 1 | no | — |
| 32 | C5×C4⋊C4 | — | 2 | 2 | no | — |
| 33 | C42×C5 | D4 | 1 | 1 | yes | characteristic |
| 34 | #689 | — | 4 | 2 | no | — |
| 35 | #687 | — | 4 | 2 | no | — |
| 36 | C4⋊Dic5 | — | 2 | 1 | no | — |
| 37 | #683 | — | 2 | 2 | no | — |
| 38 | #683 | — | 2 | 2 | no | — |
| 39 | #683 | — | 2 | 2 | no | — |
| 40 | C4×Dic5 | — | 2 | 2 | no | — |
| 41 | C4×Dic5 | — | 2 | 1 | no | — |
| 42 | C4×Dic5 | D4 | 1 | 2 | yes | — |
| 43 | #681 | — | 2 | 2 | no | — |
| 44 | Q82 | — | 5 | 1 | no | — |
| 45 | #456 | — | 5 | 2 | no | — |
| 46 | #456 | D5 | 1 | 1 | yes | characteristic |
| 47 | #356 | — | 5 | 1 | no | — |
| 48 | #356 | — | 5 | 2 | no | — |
| 49 | C5×Q8 | — | 2 | 2 | no | — |
| 50 | C5×Q8 | — | 2 | 1 | no | — |
| 51 | C5×Q8 | — | 4 | 1 | no | — |
| 52 | C5×Q8 | — | 4 | 1 | no | — |
| 53 | C5×D4 | — | 2 | 2 | no | — |
| 54 | C5×D4 | — | 2 | 1 | no | — |
| 55 | C5×D4 | — | 4 | 1 | no | — |
| 56 | C2×C4×C5 | — | 2 | 1 | no | — |
| 57 | C2×C4×C5 | — | 2 | 1 | no | — |
| 58 | C2×C4×C5 | — | 4 | 2 | no | — |
| 59 | C2×C4×C5 | — | 4 | 1 | no | — |
| 60 | C2×C4×C5 | C2×D4 | 1 | 2 | yes | — |
| 61 | C2×C4×C5 | C2×D4 | 1 | 1 | yes | characteristic |
| 62 | C2×Dic5 | — | 2 | 2 | no | — |
| 63 | C2×Dic5 | — | 2 | 2 | no | — |
| 64 | Dic10 | — | 2 | 4 | no | — |
| 65 | Dic10 | — | 4 | 2 | no | — |
| 66 | Dic10 | — | 8 | 1 | no | — |
| 67 | C5×C8 | — | 4 | 1 | no | — |
| 68 | #168 | — | 4 | 2 | no | — |
| 69 | 2−1+4 | C2×D5 | 1 | 1 | yes | characteristic |
| 70 | #137 | — | 2 | 1 | no | — |
| 71 | #137 | — | 10 | 2 | no | — |
| 72 | C4⋊Q8 | — | 5 | 2 | no | — |
| 73 | C4⋊Q8 | — | 10 | 2 | no | — |
| 74 | C4⋊Q8 | — | 10 | 1 | no | — |
| 75 | C4⋊Q8 | C2×D5 | 1 | 1 | yes | characteristic |
| 76 | C4×Q8 | — | 10 | 2 | no | — |
| 77 | C4×Q8 | — | 10 | 1 | no | — |
| 78 | #104 | — | 2 | 1 | no | — |
| 79 | #104 | — | 10 | 2 | no | — |
| 80 | #101 | — | 5 | 2 | no | — |
| 81 | #101 | C2×D5 | 1 | 1 | yes | characteristic |
| 82 | C22×C5 | — | 4 | 1 | no | — |
| 83 | C22×C5 | #120 | 1 | 1 | yes | characteristic |
| 84 | C4×C5 | — | 2 | 2 | no | — |
| 85 | C4×C5 | — | 2 | 2 | no | — |
| 86 | C4×C5 | — | 2 | 1 | no | — |
| 87 | C4×C5 | — | 4 | 1 | no | — |
| 88 | C4×C5 | — | 4 | 1 | no | — |
| 89 | Dic5 | — | 2 | 4 | no | — |
| 90 | Dic5 | — | 4 | 2 | no | — |
| 91 | #41 | — | 2 | 2 | no | — |
| 92 | #41 | — | 2 | 1 | no | — |
| 93 | #41 | — | 4 | 1 | no | — |
| 94 | C2×Q8 | — | 4 | 1 | no | — |
| 95 | C2×Q8 | — | 5 | 2 | no | — |
| 96 | C2×Q8 | — | 10 | 1 | no | — |
| 97 | C2×Q8 | — | 10 | 1 | no | — |
| 98 | C2×Q8 | C22⋊D5 | 1 | 1 | yes | characteristic |
| 99 | C2×Q8 | C22×D5 | 1 | 1 | yes | characteristic |
| 100 | Q16 | — | 4 | 1 | no | — |
| 101 | Q16 | — | 20 | 2 | no | — |
| 102 | SD16 | — | 4 | 1 | no | — |
| 103 | SD16 | — | 20 | 2 | no | — |
| 104 | M16 | — | 2 | 1 | no | — |
| 105 | M16 | — | 10 | 2 | no | — |
| 106 | C4⋊C4 | — | 2 | 2 | no | — |
| 107 | C4⋊C4 | — | 10 | 2 | no | — |
| 108 | C4⋊C4 | — | 10 | 1 | no | — |
| 109 | C4⋊C4 | — | 10 | 2 | no | — |
| 110 | C4⋊C4 | — | 10 | 2 | no | — |
| 111 | C42 | — | 5 | 2 | no | — |
| 112 | C42 | — | 10 | 2 | no | — |
| 113 | C42 | — | 10 | 1 | no | — |
| 114 | C42 | C22⋊D5 | 1 | 1 | yes | characteristic |
| 115 | C2×C5 | — | 2 | 1 | no | — |
| 116 | C2×C5 | — | 8 | 1 | no | — |
| 117 | C2×C5 | B(4,𝔽2) | 1 | 1 | yes | characteristic |
| 118 | Q8 | — | 2 | 1 | no | — |
| 119 | Q8 | — | 2 | 2 | no | — |
| 120 | Q8 | — | 4 | 1 | no | — |
| 121 | Q8 | — | 4 | 1 | no | — |
| 122 | Q8 | — | 10 | 4 | no | — |
| 123 | Q8 | — | 20 | 2 | no | — |
| 124 | Q8 | — | 40 | 1 | no | — |
| 125 | D4 | — | 2 | 1 | no | — |
| 126 | D4 | — | 2 | 2 | no | — |
| 127 | D4 | — | 4 | 1 | no | — |
| 128 | C2×C4 | — | 2 | 1 | no | — |
| 129 | C2×C4 | — | 2 | 1 | no | — |
| 130 | C2×C4 | — | 4 | 1 | no | — |
| 131 | C2×C4 | — | 4 | 2 | no | — |
| 132 | C2×C4 | — | 10 | 2 | no | — |
| 133 | C2×C4 | — | 10 | 2 | no | — |
| 134 | C2×C4 | D4×D5 | 1 | 2 | yes | — |
| 135 | C2×C4 | C2×C22⋊D5 | 1 | 1 | yes | characteristic |
| 136 | C8 | — | 4 | 1 | no | — |
| 137 | C8 | — | 20 | 2 | no | — |
| 138 | C5 | #2205 | 1 | 1 | yes | characteristic, complemented, Sylow |
| 139 | C22 | — | 4 | 1 | no | — |
| 140 | C22 | #4083 | 1 | 1 | yes | characteristic |
| 141 | C4 | — | 2 | 2 | no | — |
| 142 | C4 | — | 2 | 1 | no | — |
| 143 | C4 | — | 2 | 2 | no | — |
| 144 | C4 | — | 4 | 1 | no | — |
| 145 | C4 | — | 4 | 1 | no | — |
| 146 | C4 | — | 10 | 4 | no | — |
| 147 | C4 | — | 20 | 2 | no | — |
| 148 | C2 | — | 2 | 1 | no | — |
| 149 | C2 | — | 8 | 1 | no | — |
| 150 | C2 | #65321 | 1 | 1 | yes | characteristic |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. #66056 | C2 | semidirect |
| 4. #64768 | C2 | semidirect |
| 5. #64698 | C2 | semidirect |
| 138. C5 | #2205 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| #66056 | 2 |
| C5×#456 | 2 |
| #65535 | 2 |
| #64768 | 2 |
| #64698 | 2 |
| #2205 | 5 |