Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of AGL(1,ℤ/8) |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C43 · Schur multiplier (H2) = C22×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C2×D4 |
| commutator | C4 | C43 |
| Frattini, cosocle | C23×C4 | C23 |
| socle | C23 | C2×C4⋊C4 |
| prime radical | C24 | C2×Q8 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
435 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2)(3,4)(9,10,12,17,14,18,13,16)(11,19,21,15,20,24,22,23);(2,4)(9,11,13,22,14,20,12,21)(10,15,17,24,18,23,16,19);(5,6,7,8)(11,20)(15,23)(19,24)(21,22)Polycyclic presentation:
2^8|a^2=e,b^2=f,c^2=g,d^2=h,e^2=h,f^2=h,b^a=bd,d^a=dh,f^a=fh,c^b=ch88 conjugacy classes — view the full character table.
| maximal subgroup of | #107447, #107711, #107929, … |
| maximal normal subgroup of | #107447, #107711, #107929, … |
| maximal quotient of | #105272, #105274, #105275, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3693);