Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24264 |
| 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 | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | #2428 | C2 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
434 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,7)(4,5)(6,8)(9,10)(11,15)(12,14)(13,16);(2,5)(6,7)(9,11,12,16)(10,13,14,15)(17,18,21,22,20,24,19,23);(10,14)(13,15)(18,22)(19,21)(23,24);(1,3,4,8)(2,6,5,7)(10,14)(13,15)Polycyclic presentation:
2^8|b^2=fgh,d^2=ef,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^c=gh58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#29043, #6460384, #6460412, … |
| maximal normal subgroup of | C2×#29043, #6460384, #6460412, … |
| maximal quotient of | #362578, #363658, #367810, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 22031);