Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1284 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C4×C8 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #95 |
| commutator | C2×C4 | C4×C8 |
| Frattini, cosocle | C2×C4×C8 | C22 |
| socle | C22 | #336 |
| prime radical | C23 | C4⋊C8 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
105 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 32 points:
(1,2)(3,10,12,16)(4,8)(5,14)(6,9)(7,11,15,13)(17,18,20,25,21,24,28,31,22,26,29,32,19,23,27,30);(1,3,5,13,6,12,4,11)(2,7,8,10,9,15,14,16)(18,23,26,24)(25,30,32,31)Polycyclic presentation:
2^8|a^2=d,b^2=e,c^2=fh,d^2=g,e^2=f,g^2=h,b^a=bc,c^a=ch,e^a=efh,d^b=df64 conjugacy classes — view the full character table.
| maximal subgroup of | #92849, #92850, #92857, … |
| maximal normal subgroup of | #92849, #92850, #92857, … |
| maximal quotient of | #93250, #93315, #93323, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 134);