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 ◁ C2×C4×Q8 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1122 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 16 points:
(2,6)(7,8)(9,10)(11,13)(12,14)(15,16);(1,2,5,6)(3,7,4,8);(1,3,5,4)(2,7,6,8)(10,13)(11,16)(14,15);(1,4,5,3)(2,7,6,8);(10,14)(13,15)Polycyclic presentation:
2^8|b^2=f,c^2=f,d^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.
| Fitting subgroup of | #61402⋊C3 |
| maximal subgroup of | #250908, #250940, #250972, … |
| maximal normal subgroup of | #250908, #250940, #250972, … |
| maximal quotient of | #6379454, #6379458, Q8×#428, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54390);