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 | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
383 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)(3,8)(4,6)(5,7)(9,10)(11,16)(12,15)(13,14)(18,21)(22,24);(1,3,5,4)(2,6,7,8)(10,14)(15,16)(18,22)(20,23)(21,24);(1,4,5,3)(2,6,7,8)(9,11,13,12)(10,15,14,16)(17,18,19,21)(20,24,23,22);(2,7)(6,8)(9,12,13,11)(10,16,14,15)Polycyclic presentation:
2^8|b^2=efh,c^2=eh,d^2=fh,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×#27333, #6449442, #6449461, … |
| maximal normal subgroup of | C2×#27333, #6449442, #6449461, … |
| maximal quotient of | #361398, #363582, #366016, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 20321);