Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10254 |
| automorphism | Aut(G) = C23×D43 (order 4096) · Inn(G) = #392 · Out(G) = C26 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #392 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| prime radical | #532 | C22 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
264 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 264 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)(3,5,8,6)(9,10)(11,18)(12,23)(13,16)(14,17)(15,20)(19,22)(21,24);(9,11,14,22)(10,15,17,24)(12,21,13,20)(16,19,23,18);(2,5)(3,8)(6,7)(9,10)(11,19)(12,16)(13,23)(14,17)(15,20)(18,22)(21,24)Polycyclic presentation:
2^8|a^2=h,b^2=g,d^2=g,e^2=h,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eh,c^b=cf,d^b=dg,f^b=fg,e^c=eh,f^c=fg40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10257, #232920, #232925, … |
| maximal normal subgroup of | C2×#10257, #232920, #232925, … |
| maximal quotient of | #102443, #102444, #102447, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3245);