Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D42 |
| automorphism | Aut(G) order 1048576 |
| homology | Abelianization (H1) = C24×C4 · Schur multiplier (H2) = C210 |
| direct product | C2×#2358 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C24 | C24 |
| commutator | C22 | C24×C4 |
| Frattini, cosocle | C23 | C25 |
| prime radical | C22×#120 | C2 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
2971 conjugacy classes of subgroups.
| minimal degree | μ(G) = 14 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 14 points:
(1,2);(3,4)(5,6)(8,10)(11,12,14,13);(4,6)(11,13,14,12);(7,8)(9,10);(3,4)(5,6)100 conjugacy classes — view the full character table.
| maximal subgroup of | #146599, #219722, #219723, … |
| maximal normal subgroup of | #146599, #219722, #219723, … |
| maximal quotient of | C2×C22⋊C42, C2×#13813, C2×#13814, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27118);