Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61591 |
| 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 ◁ C4×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1069 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 16 points:
(2,5)(3,7)(9,10)(11,13)(12,14)(15,16);(1,2)(3,6)(4,5)(7,8)(10,13)(14,15);(10,14)(12,16)(13,15);(2,5)(6,8);(1,3,4,7)(2,6,5,8)(10,13)(14,15)Polycyclic presentation:
2^8|e^2=fh,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=dfh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | #6362126, #6362127, #6362146, … |
| maximal normal subgroup of | #6362126, #6362127, #6362146, … |
| maximal quotient of | #6386487, #6388444, #6388468, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54977);