Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #327 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C22⋊C4 |
| commutator | C2×C4 | C22×C8 |
| Frattini, cosocle | C2×C42 | C23 |
| socle, prime radical | C23 | C2×C22⋊C4 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C43 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C23 ▷ C1 | |
222 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 24 points:
(2,5,6,7)(9,10,12,15,13,16,11,14)(17,18,21,23,22,19,20,24);(1,2)(3,7)(4,6)(5,8)(17,19,22,18)(20,23,21,24);(9,11,13,12)(10,14,16,15)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=fh,d^2=g,e^2=h,b^a=bd,d^a=df,d^b=dg,e^b=efg76 conjugacy classes — view the full character table.
| maximal subgroup of | C8×#330, #96833, #96835, … |
| maximal normal subgroup of | C8×#330, #96833, #96835, … |
| maximal quotient of | #96230, C4×#1271, #96920, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 556);