Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3003 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C42 | C24 |
| socle | C22 | C22×C22⋊C4 |
| prime radical | C23×D4 | C4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
823 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 4 generators on 16 points:
(1,2)(3,5)(4,6)(7,8)(9,10,11,14,12,13,15,16);(2,5)(3,8)(6,7);(10,13)(14,16);(2,6)(5,7)Polycyclic presentation:
2^8|a^2=f,e^2=g,f^2=h,b^a=be,c^a=ch,d^a=dg,e^a=eg,e^b=eg64 conjugacy classes — view the full character table.
| maximal subgroup of | #105654, #105664, #105841, … |
| maximal normal subgroup of | #105654, #105664, #105841, … |
| maximal quotient of | #160780, #160786, #160792, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10436);