Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #30396 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
346 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)(3,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16);(1,3,6,2)(4,8,5,7)(17,18,20,23)(19,21,24,22);(1,4,6,5)(2,7,3,8)(9,11,12,16)(10,13,14,15)(18,21)(19,24)(22,23);(1,5,6,4)(2,7,3,8)(10,14)(13,15)Polycyclic presentation:
2^8|b^2=eh,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=def,c^b=cg,d^b=de,g^b=gh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | #6637068, #6637085, #6637090, … |
| maximal normal subgroup of | #6637068, #6637085, #6637090, … |
| maximal quotient of | #384456, #384680, #384995, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 25186);