Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #62265 |
| 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 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #529 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
950 conjugacy classes of subgroups.
| minimal degree | μ(G) = 40 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 40 points:
(2,5)(3,7)(9,10)(11,16)(12,24)(13,18)(14,28)(15,19)(17,26)(20,33)(21,30)(22,31)(23,37)(25,32)(27,38)(29,36)(34,39)(35,40);(1,2)(3,6)(4,5)(7,8)(9,11)(10,16)(12,20)(13,21)(14,23)(15,22)(17,29)(18,30)(19,31)(24,33)(25,34)(26,36)(27,35)(28,37)(32,39)(38,40);(9,12,14,26,15,27,13,25)(10,17,18,24,19,32,28,38)(11,20,23,36,22,35,21,34)(16,29,30,33,31,39,37,40);(2,5)(6,8)(9,13,15,14)(10,18,19,28)(11,21,22,23)(12,25,27,26)(16,30,31,37)(17,24,32,38)(20,34,35,36)(29,33,39,40);(1,3,4,7)(2,6,5,8)(11,22)(16,31)(20,35)(21,23)(29,39)(30,37)(33,40)(34,36)Polycyclic presentation:
2^8|c^2=g,d^2=h,e^2=f,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | #131670, #131671, #489385, … |
| maximal normal subgroup of | #131670, #131671, #489385, … |
| maximal quotient of | #6386886, #6389506, #6389542, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55421);