Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C26 · Schur multiplier (H2) = C214 |
| direct product | C24×SD16 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C25 | D4 |
| commutator, Frattini, cosocle | C4 | C26 |
| prime radical | C24×D4 | C2 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C25 ◁ C24×C4 ◁ G | |
| LECS | G ▷ C4 ▷ C2 ▷ C1 | |
6655 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 6 generators on 16 points:
(1,2);(3,4);(5,6);(7,8);(9,10,11,12,13,14,15,16);(10,12)(11,15)(14,16)112 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 56066);