Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #360 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #102 |
| commutator | C8 | C22×C8 |
| Frattini, cosocle | C4×C8 | C23 |
| socle | C22 | C2×#102 |
| prime radical | C22×D8 | C4 |
| LCS | G ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
225 conjugacy classes of subgroups; only the 81 normal subgroups are shown.
This group has 225 conjugacy classes of subgroups — too many to draw. Only its 81 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,3,5,4,6,7,8)(9,10,11,15,13,18,19,17)(12,21,20,16,23,14,22,24);(10,14)(11,19)(12,22)(15,16)(17,24)(18,21)(20,23);(9,11,13,19)(10,15,18,17)(12,20,23,22)(14,24,21,16)Polycyclic presentation:
2^8|a^2=e,c^2=h,d^2=f,e^2=g,f^2=h,b^a=bd,d^a=df,f^a=fh,c^b=ch,d^b=dfh,e^b=eh,f^b=fh64 conjugacy classes — view the full character table.
| maximal subgroup of | #128555, #128572, #128607, … |
| maximal normal subgroup of | #128555, #128572, #128607, … |
| maximal quotient of | #122466, #122472, #122478, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4587);