Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D4×AGL(1,ℤ/8) |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C4×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
950 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,5)(6,8)(9,10)(11,15)(12,19)(13,21)(14,17)(16,18)(20,23)(22,24);(1,2)(3,6)(4,5)(7,8)(9,11,14,13)(10,15,17,21)(12,18,20,22)(16,23,24,19);(9,12)(10,16)(11,18)(13,22)(14,20)(15,23)(17,24)(19,21);(2,5)(6,8)(9,11,14,13)(10,15,17,21)(12,18,20,22)(16,23,24,19);(1,3,4,7)(2,6,5,8)(10,17)(15,21)(16,24)(19,23)Polycyclic presentation:
2^8|b^2=h,d^2=h,e^2=f,g^2=h,b^a=bf,c^a=cg,e^a=eh,g^a=gh,d^b=df,g^c=gh55 conjugacy classes — view the full character table.
| maximal subgroup of | #6358808, #6358809, #6358821, … |
| maximal normal subgroup of | #6358808, #6358809, #6358821, … |
| maximal quotient of | #6379626, #6379629, #6380419, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54447);