Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61559 |
| 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 |
| prime radical | #3496 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C4×D4 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1185 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 16 points:
(1,2)(3,7)(4,6)(5,8)(10,13)(11,15)(14,16);(1,3)(2,5)(4,8)(6,7);(9,10,12,14)(11,16,15,13);(3,8)(5,7);(2,6)(5,7)Polycyclic presentation:
2^8|c^2=h,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,g^c=gh61 conjugacy classes — view the full character table.
| maximal subgroup of | #245526, #245529, #245550, … |
| maximal normal subgroup of | #245526, #245529, #245550, … |
| maximal quotient of | #6386003, #6387586, #6387980, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54550);