Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10304 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | #127 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
213 conjugacy classes of subgroups; only the 85 normal subgroups are shown.
This group has 213 conjugacy classes of subgroups — too many to draw. Only its 85 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) = 256 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,4,6)(3,7,8,5)(9,10,14,16,13,11,12,15)(18,21)(22,23);(1,3,4,8)(2,5,6,7)(9,11,13,10)(12,15,14,16)(17,18,19,21)(20,22,24,23);(9,10,13,11)(12,16,14,15)(18,22)(20,24)(21,23)Polycyclic presentation:
2^8|a^2=dgh,b^2=de,c^2=g,d^2=g,e^2=g,f^2=h,b^a=bd,c^a=ce,c^b=cf,d^b=dg,e^b=eg,f^b=fh,d^c=dg,e^c=eg,f^c=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10680, #243948, #243954, … |
| maximal normal subgroup of | C2×#10680, #243948, #243954, … |
| maximal quotient of | #105238, #117093, #117096, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3668);