Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #468 |
| automorphism | Aut(G) = C23×#612424 (order 4096) · Inn(G) = C2×D4 · Out(G) = C23×#120 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C8 | C2×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C42 | C24 |
| socle | C22 | C2×C4×D4 |
| prime radical | #3171 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
331 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,5)(4,6)(7,8)(9,10,14,17,13,16,22,24)(11,18,20,21,19,15,23,12);(2,5)(3,8)(6,7)(9,11)(10,15)(12,17)(13,19)(14,20)(16,18)(21,24)(22,23);(9,12,14,18,13,21,22,15)(10,11,17,20,16,19,24,23);(2,6)(5,7)(10,16)(11,19)(17,24)(20,23)Polycyclic presentation:
2^8|a^2=f,c^2=f,e^2=g,f^2=h,b^a=be,d^a=dgh,e^a=eg,d^b=dh,e^b=eg64 conjugacy classes — view the full character table.
| maximal subgroup of | #136759, #210388, #210390, … |
| maximal normal subgroup of | #136759, #210388, #210390, … |
| maximal quotient of | #182462, #182464, #183477, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10952);