Finite Group DatabasebetaFinite Group Databasebeta| order | 1216 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C8×C19 · Schur multiplier (H2) = C2 |
| direct product | C19×Q8⋊C8 |
| unambiguous semidirect product | Q8⋊(C8×C19) |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C19 | D4 |
| commutator | C4 | C2×C8×C19 |
| Frattini, cosocle | C42 | C22×C19 |
| socle, prime radical | C22×C19 | C22⋊C4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C19 ◁ C42×C19 ◁ G | |
70 conjugacy classes of subgroups.
| minimal degree | μ(G) = 35 |
| transitive degree | μt(G) = 1216 |
A minimal faithful permutation representation — 2 generators on 35 points:
(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(21,24)(22,26)(25,27)(28,29,30,32,31,33,34,35);(20,21,23,25)(22,27,26,24)532 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1216, 7);