Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C25×C5 · Schur multiplier (H2) = C210 |
| direct product | C23×C5×D4 |
| unambiguous semidirect product | C4⋊(C24×C5) |
| unambiguous semidirect product | C22⋊(C24×C5) |
| subgroup | G/H | |
|---|---|---|
| center, socle | C24×C5 | C22 |
| commutator, Frattini, cosocle | C2 | C25×C5 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C24×C5 ◁ G | |
1362 conjugacy classes of subgroups.
| minimal degree | μ(G) = 15 |
| transitive degree | μt(G) = 160 |
A minimal faithful permutation representation — 5 generators on 15 points:
(1,2)(11,12,13,14,15);(3,4);(5,6);(7,8,9,10);(8,10)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 1629);