Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #471 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C2×C42 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #121 |
| commutator | C2×C4 | C2×C42 |
| Frattini, cosocle | C23×C4 | C23 |
| prime radical | C24 | #41 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
463 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,3,4)(10,15)(11,18)(12,13)(16,23)(17,21)(19,20);(5,6,7,8)(9,10,14,17)(11,16,20,23)(12,21,13,15)(18,22,19,24);(2,4)(9,11,13,18,14,20,12,19)(10,16,15,22,17,23,21,24)Polycyclic presentation:
2^8|a^2=f,b^2=g,c^2=ef,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10942, #354109, #354110, … |
| maximal normal subgroup of | C2×#10942, #354109, #354110, … |
| maximal quotient of | #110116, #110119, #110122, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3930);