Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1595 |
| automorphism | Aut(G) order 2048 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #120 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C2×C42 | C23 |
| socle | C22 | #379 |
| prime radical | #537 | C4 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
358 conjugacy classes of subgroups; only the 75 normal subgroups are shown.
This group has 358 conjugacy classes of subgroups — too many to draw. Only its 75 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:
(2,5,6,7)(9,10,13,17,14,11,18,16)(12,15,20,24,21,19,22,23);(1,2)(3,7)(4,6)(5,8)(9,11)(10,14)(12,19)(13,16)(15,21)(17,18)(20,23)(22,24);(9,12,14,21)(10,15,11,19)(13,22,18,20)(16,24,17,23)Polycyclic presentation:
2^8|a^2=f,c^2=g,d^2=h,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eg,d^b=dh,e^b=eg,f^b=fgh,d^c=dg,f^c=fg46 conjugacy classes — view the full character table.
| maximal subgroup of | #137073, #137074, #137075, … |
| maximal normal subgroup of | #137073, #137074, #137075, … |
| maximal quotient of | #96951, #96953, #96954, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 1390);