Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #11858 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4 |
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 | #3147 | C2 |
| LCS | G ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
200 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 200 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:
(1,2,3,6,4,5,7,8)(9,10,13,16,12,20,21,24,15,17,23,22,14,11,18,19);(2,5)(3,7)(9,11)(10,14)(12,17)(13,22)(15,20)(16,23)(18,19)(21,24);(2,5)(6,8)(9,12,15,14)(10,11,17,20)(13,21,23,18)(16,19,22,24)Polycyclic presentation:
2^8|a^2=e,c^2=h,d^2=gh,e^2=fgh,g^2=h,b^a=bd,c^a=cfh,d^a=df,d^b=dg,e^b=efg,g^b=gh40 conjugacy classes — view the full character table.
| maximal subgroup of | #131048, #131049, #131052, … |
| maximal normal subgroup of | #131048, #131049, #131052, … |
| maximal quotient of | #124253, #124456, #124665, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4954);