Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #99 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C4×C16 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C42 | C22⋊C4 |
| commutator | C22 | C4×C16 |
| Frattini, cosocle | C2×C4×C8 | C22 |
| socle | C22 | #336 |
| prime radical | C23 | C4×C8 |
| LCS | G ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
111 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)(3,9,10,6)(4,8)(5,7)(11,15,16,13)(12,14)(17,18,19,22,20,23,25,28,21,24,26,29,27,30,31,32);(1,3,4,11,5,10,12,16)(2,6,8,13,7,9,14,15)Polycyclic presentation:
2^8|a^2=d,b^2=e,d^2=g,e^2=f,g^2=h,b^a=bc,c^a=cf,d^b=df88 conjugacy classes — view the full character table.
| maximal subgroup of | #92819, #92820, #92853, … |
| maximal normal subgroup of | #92819, #92820, #92853, … |
| maximal quotient of | #93274, #93304, #93315, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 183);