Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
| direct product | D5×#137 |
| Fitting | C5×#137 ⋊ C2 |
| Sylow | C5 ⋊ C2×#137 |
258 conjugacy classes of subgroups; only the 101 normal subgroups are shown.
This group has 258 conjugacy classes of subgroups — too many to draw. Only its 101 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 80 |
A minimal faithful permutation representation — 4 generators on 21 points:
(2,7)(6,15)(8,12)(9,16)(17,18,20,21,19);(1,3,5,11)(2,6,7,15)(4,13,14,10)(8,16,12,9);(1,2)(3,9)(4,12)(5,7)(6,10)(8,14)(11,16)(13,15);(18,19)(20,21)44 conjugacy classes — view the full character table.
| maximal subgroup of | #10604867, #10604870, D5×#455, … |
| maximal normal subgroup of | #10604867, #10604870, D5×#455, … |
| maximal quotient of | #10610598, #10610601, #10610609, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 1448);