Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #11855 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#102 |
| commutator | C2×C8 | C22×C4 |
| Frattini, cosocle | C22×C8 | C23 |
| prime radical | C2×#466 | C2 |
| LCS | G ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ C23×C8 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
224 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 224 conjugacy classes of subgroups — too many to draw. Only its 61 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2)(3,7,8,5)(4,6)(9,10,13,19,15,21,14,20)(11,18,22,16,23,24,12,17);(1,3)(2,5)(4,8)(6,7)(10,16)(11,22)(12,23)(13,14)(17,21)(18,19)(20,24);(3,8)(5,7)(9,11,14,12,15,23,13,22)(10,17,19,18,21,16,20,24)Polycyclic presentation:
2^8|a^2=e,c^2=g,d^2=gh,e^2=h,f^2=h,g^2=h,b^a=bd,c^a=cg,d^a=df,f^a=fh,g^a=gh,c^b=cf,d^b=dg,e^b=efgh,f^b=fh,g^b=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | #130207, #130209, #130246, … |
| maximal normal subgroup of | #130207, #130209, #130246, … |
| maximal quotient of | #122734, #122739, #122743, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4879);