Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7217 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C42 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #340 |
| commutator | C2×C8 | C42 |
| Frattini, cosocle | C2×C4×C8 | C22 |
| prime radical | C23 | #107 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
103 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 24 points:
(1,2,3,6,4,5,7,8)(10,15)(11,19)(12,21)(13,20)(16,17)(18,24)(22,23);(2,5)(3,7)(9,10,12,16,13,17,11,15,14,18,19,23,20,22,21,24)Polycyclic presentation:
2^8|a^2=d,b^2=e,c^2=fgh,d^2=g,e^2=fg,f^2=h,b^a=bc,c^a=cf,e^a=efgh,f^a=fh,d^b=dg52 conjugacy classes — view the full character table.
| maximal subgroup of | #93850, #93851, #93858, … |
| maximal normal subgroup of | #93850, #93851, #93858, … |
| maximal quotient of | #93329, #93346, #93633, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 229);