Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13661 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23 |
| prime radical | #2215 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ C22×C8 ◁ C22×C16 ◁ G | |
| LECS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
147 conjugacy classes of subgroups.
| minimal degree | μ(G) = 36 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 36 points:
(1,2)(3,4)(6,11)(7,15)(8,17)(9,21)(12,27)(13,30)(14,26)(16,20)(18,34)(19,24)(22,28)(23,25)(29,35)(31,32)(33,36);(5,6,10,14)(7,16,19,33)(8,20,22,36)(9,23,21,13)(11,24,26,15)(12,28,29,17)(18,35,31,27)(25,32,30,34);(2,4)Polycyclic presentation:
2^8|b^2=h,d^2=fg,f^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,f^a=fg,g^a=gh,d^b=df,f^b=fg,g^b=gh49 conjugacy classes — view the full character table.
| maximal subgroup of | #151173, #151175, #151179, … |
| maximal normal subgroup of | #151173, #151175, #151179, … |
| maximal quotient of | #151171, #151283, #151481, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 6650);