| order | 320 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #447 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C4 |
| direct product | C5×#482 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D4 |
| commutator, Frattini, cosocle | C2×C4 | C23×C5 |
| prime radical | C5×#121 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C4×C5 ◁ G | |
106 conjugacy classes of subgroups; only the 50 normal subgroups are shown.
This group has 106 conjugacy classes of subgroups — too many to draw. Only its 50 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) = 160 |
A minimal faithful permutation representation — 3 generators on 21 points:
(1,2)(3,6)(4,5)(7,8)(10,13)(11,14)(15,16)(17,18,19,20,21);(2,5)(6,8)(9,10,12,13)(11,14,15,16);(1,3,4,7)(2,6,5,8)(9,11,12,15)(10,14,13,16)95 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 983);