Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of D32 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C5 · Schur multiplier (H2) = C1 |
| direct product | C5×SD64 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | D16 |
| commutator, Frattini, cosocle | C16 | C22×C5 |
| prime radical | C5×D16 | C2 |
| LCS | G ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C4×C5 ◁ C5×C8 ◁ C5×C16 ◁ G | |
32 conjugacy classes of subgroups.
| minimal degree | μ(G) = 37 |
| transitive degree | μt(G) = 160 |
A minimal faithful permutation representation — 2 generators on 37 points:
(1,2,3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37);(7,21)(8,36)(9,19)(10,34)(11,17)(12,32)(13,15)(14,30)(16,28)(18,26)(20,24)(23,37)(25,35)(27,33)(29,31)95 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 177);