Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61643 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #3119 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #533 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
828 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,9)(4,7)(5,8)(6,11)(10,15)(12,14)(13,16)(17,18)(19,23)(20,26)(21,25)(22,27)(24,28)(29,32)(30,31);(1,3,5,11)(2,6,8,9)(4,12,13,10)(7,15,16,14)(17,19)(18,23)(20,30)(21,28)(22,29)(24,25)(26,31)(27,32);(17,19)(18,24)(20,28)(21,30)(22,29)(23,25)(26,32)(27,31);(1,4,5,13)(2,7,8,16)(3,10,11,12)(6,14,9,15)(17,20,22,21)(18,25,27,26)(19,28,29,30)(23,31,32,24);(2,8)(6,9)(7,16)(14,15)(17,20,22,21)(18,26,27,25)(19,28,29,30)(23,24,32,31)Polycyclic presentation:
2^8|b^2=f,d^2=fh,e^2=h,g^2=h,b^a=bf,c^a=cg,d^a=dh,e^a=ef,g^a=gh,d^b=dfh,e^b=eh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#61879, #10578278, #10578291, … |
| maximal normal subgroup of | C2×#61879, #10578278, #10578291, … |
| maximal quotient of | #6386269, #6388041, #6388058, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54867);