Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #11677 |
| 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 | C4×C8 | C23 |
| prime radical | #3169 | C2 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
181 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 181 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) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,4,7,5,3,8,6)(9,10,11,17,13,18,19,15)(12,21,20,16,23,14,22,24);(1,3)(2,5)(4,6)(7,8)(10,14)(11,19)(12,22)(15,24)(16,17)(18,21)(20,23);(2,3)(6,7)(9,11,13,19)(10,15,18,17)(12,20,23,22)(14,16,21,24)Polycyclic presentation:
2^8|a^2=e,c^2=h,d^2=f,e^2=g,f^2=h,b^a=bd,c^a=cg,d^a=df,f^a=fh,c^b=cg,d^b=dfh,e^b=eh,f^b=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | #130431, #130433, #130439, … |
| maximal normal subgroup of | #130431, #130433, #130439, … |
| maximal quotient of | #125099, #125117, #125133, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4666);