Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #1343 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C2×C8 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #99 |
| commutator | C22×C4 | C2×C8 |
| Frattini, cosocle | C2×#95 | C22 |
| prime radical | C24 | C22⋊C4 |
| LCS | G ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C24 ◁ C2×#95 ◁ G | |
| LECS | G ▷ C2×#95 ▷ C24 ▷ C2 ▷ C1 | |
184 conjugacy classes of subgroups; only the 45 normal subgroups are shown.
This group has 184 conjugacy classes of subgroups — too many to draw. Only its 45 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 2 generators on 32 points:
(1,2)(3,5)(4,7)(6,8)(9,10,11,13,12,14,15,16)(17,18)(19,25)(20,28,29,23)(21,24)(22,26,30,32)(27,31);(2,5)(3,8)(6,7)(17,19,21,27)(18,22,24,30)(20,26,29,32)(23,25,28,31)Polycyclic presentation:
2^8|a^2=d,b^2=h,c^2=f,d^2=g,b^a=bc,c^a=ce,e^a=eh,c^b=cf,d^b=def,d^c=dh46 conjugacy classes — view the full character table.
| maximal subgroup of | #93192, #93219, #93220, … |
| maximal normal subgroup of | #93192, #93219, #93220, … |
| maximal quotient of | #92816, #92826, #92830, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 92);