Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #99 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C4×C16 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C22⋊C4 |
| commutator | C22 | C4×C16 |
| Frattini, cosocle | C23×C8 | C22 |
| socle | C23 | C22⋊C8 |
| prime radical | C24 | C2×C8 |
| LCS | G ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C23×C8 ◁ G | |
| LECS | G ▷ C23×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
193 conjugacy classes of subgroups; only the 75 normal subgroups are shown.
This group has 193 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) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 2 generators on 28 points:
(5,6)(7,11,12,9)(8,10)(13,14,15,18,16,19,21,24,17,20,22,25,23,26,27,28);(1,2,3,4)(5,7)(6,9)(8,12)(10,11)Polycyclic presentation:
2^8|a^2=d,b^2=e,d^2=g,g^2=h,b^a=bc,c^a=cf,d^b=df88 conjugacy classes — view the full character table.
| maximal subgroup of | #92815, #92816, #92845, … |
| maximal normal subgroup of | #92815, #92816, #92845, … |
| maximal quotient of | #92963, #92964, #92965, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 171);