Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #20286 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | D42 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | #3330 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
320 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,6,8)(3,7,5,4)(9,10)(11,14)(12,15)(13,16)(17,20)(18,22)(19,23)(21,24);(2,4)(3,5)(7,8)(9,11)(10,14)(12,19)(13,18)(15,23)(16,22)(17,21)(20,24);(1,3,6,5)(2,7,8,4)(10,15)(11,18)(12,20)(14,21)(16,17)(22,23);(1,4)(2,3)(5,8)(6,7)(10,16)(14,22)(15,17)(21,23)Polycyclic presentation:
2^8|a^2=g,c^2=g,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,c^b=cgh,d^b=de,e^b=eg,f^c=fh,e^d=eg37 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#20291, #6361239, #6361259, … |
| maximal normal subgroup of | C2×#20291, #6361239, #6361259, … |
| maximal quotient of | #220914, #220922, #220924, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13279);