Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #8534 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #379 |
| commutator | C24 | C22×C4 |
| Frattini, cosocle | C23×C4 | C23 |
| prime radical | C22×D4 | C2×C4 |
| LCS | G ▷ C24 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C22 ▷ C1 | |
397 conjugacy classes of subgroups; only the 77 normal subgroups are shown.
This group has 397 conjugacy classes of subgroups — too many to draw. Only its 77 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) = 64 |
A minimal faithful permutation representation — 3 generators on 24 points:
(5,8)(9,10,12,16,13,15,21,23)(11,17,18,24,19,14,20,22);(1,2)(3,5)(4,6)(7,8)(9,11,13,19)(10,14,15,17)(12,20,21,18)(16,24,23,22);(1,3)(2,5)(4,7)(6,8)Polycyclic presentation:
2^8|a^2=f,b^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^b=eh,f^b=fg,d^c=dh40 conjugacy classes — view the full character table.
| maximal subgroup of | #139882, #139883, #139884, … |
| maximal normal subgroup of | #139882, #139883, #139884, … |
| maximal quotient of | #97053, #97057, #97060, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 1525);