Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18162 |
| automorphism | Aut(G) = C23×#7670203 (order 4096) · Inn(G) = C2×#120 · Out(G) = C26 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
622 conjugacy classes of subgroups; only the 113 normal subgroups are shown.
This group has 622 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 32 |
A minimal faithful permutation representation — 4 generators on 24 points:
(5,8)(9,10)(11,18)(12,16)(13,22)(14,17)(15,19)(20,24)(21,23);(1,2)(3,5)(4,6)(7,8)(9,11)(10,15)(12,19)(13,20)(14,21)(16,23)(17,24)(18,22);(1,3)(2,5)(4,7)(6,8)(9,12,14,13)(10,16,17,22)(11,19,21,20)(15,23,24,18);(9,12,14,13)(10,16,17,22)(11,20,21,19)(15,18,24,23)Polycyclic presentation:
2^8|c^2=g,d^2=g,e^2=g,b^a=be,c^a=cf,e^a=eg,d^b=dg,e^b=eg,f^b=fh,e^c=eh40 conjugacy classes — view the full character table.
| maximal subgroup of | #248649, #248652, #248653, … |
| maximal normal subgroup of | #248649, #248652, #248653, … |
| maximal quotient of | #166295, #166296, #166311, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11156);