Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D4×D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | C22×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| socle | C22 | C23×D4 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C4×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
926 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,5)(6,8)(9,10,14,17)(11,18,20,23)(12,16,13,21)(15,22,24,19);(1,2)(3,6)(4,5)(7,8);(9,11,14,20)(10,15,17,24)(12,19,13,22)(16,23,21,18);(2,5)(6,8);(1,3,4,7)(2,6,5,8)(9,12,14,13)(10,16,17,21)(11,19,20,22)(15,23,24,18)Polycyclic presentation:
2^8|a^2=h,c^2=h,e^2=fh,g^2=h,b^a=bf,c^a=cg,g^a=gh,d^b=df,g^c=gh70 conjugacy classes — view the full character table.
| maximal subgroup of | #131791, #131815, #221108, … |
| maximal normal subgroup of | #131791, #131815, #221108, … |
| maximal quotient of | #6379538, #6380373, #6380881, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54421);