Finite Group DatabasebetaFinite Group Databasebeta| order | 1120 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C5×C7 · Schur multiplier (H2) = C26 |
| direct product | C22×C5×C7×D4 |
| unambiguous semidirect product | C4⋊(C23×C5×C7) |
| unambiguous semidirect product | C22⋊(C23×C5×C7) |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5×C7 | C22 |
| commutator, Frattini, cosocle | C2 | C24×C5×C7 |
| LCS | G ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5×C7 ◁ G | |
472 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 560 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2)(9,10,11,12,13)(14,15,16,17,18,19,20);(3,4);(5,6,7,8);(6,8)700 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1120, 1073);