Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C25 |
| direct product | C2×C5×#95 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C24×C5 | C22 |
| commutator | C2 | C2×C42×C5 |
| Frattini, cosocle | C23 | C23×C5 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C24×C5 ◁ G | |
330 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 19 points:
(1,2)(15,16,17,18,19);(8,10)(11,12,13,14);(3,4,5,6)(7,8)(9,10)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 876);