Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23848 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
329 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,7)(4,5)(6,8)(9,10,12,14)(11,15,16,13)(17,18)(19,25)(20,23)(21,24)(22,27)(26,31)(28,30)(29,32);(2,5)(6,7)(17,19,20,27)(18,22,23,25)(21,26,29,28)(24,30,32,31);(9,11,12,16)(10,13,14,15)(19,26)(21,29)(22,30)(24,32)(25,31)(27,28);(1,3,4,8)(2,6,5,7)(18,23)(22,25)(24,32)(30,31)Polycyclic presentation:
2^8|a^2=f,b^2=h,c^2=f,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#26029, #6449288, #6449299, … |
| maximal normal subgroup of | C2×#26029, #6449288, #6449299, … |
| maximal quotient of | #360647, #363732, #365839, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 19017);