Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12483 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C2 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C22 | #459 |
| commutator, Frattini, cosocle | C4×C8 | C23 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ C82 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
100 conjugacy classes of subgroups.
| minimal degree | μ(G) = 48 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 48 points:
(1,2,5,8)(3,9,11,16)(4,13,10,7)(6,14,15,12)(17,18)(19,27)(20,23)(21,33)(22,36)(24,29)(25,35)(26,32)(28,43)(30,47)(31,44)(34,42)(37,41)(38,45)(39,46)(40,48);(1,3,10,14,5,11,4,12)(2,6,13,16,8,15,7,9)(18,23)(24,38)(25,39)(26,36)(27,43)(33,44)(40,42)(41,47);(3,11)(6,15)(9,16)(12,14)(17,19,20,28)(18,24,23,38)(21,34,31,48)(22,37,32,30)(25,41,39,47)(26,42,36,40)(27,44,43,33)(29,46,45,35)Polycyclic presentation:
2^8|a^2=f,b^2=dfh,c^2=h,d^2=f,e^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eg,g^a=gh,c^b=cf,e^c=eg,g^c=gh37 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#12502, #490735, #490737, … |
| maximal normal subgroup of | C2×#12502, #490735, #490737, … |
| maximal quotient of | #135031, #138686, #138688, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5490);