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 | #3366 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
314 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,5,8)(3,6,4,7)(10,14)(12,20)(15,21)(16,23)(17,24)(18,22);(1,3,5,4)(2,6,8,7)(9,10,13,15)(11,17,19,23)(12,21,20,14)(16,22,24,18);(2,7)(3,4)(6,8)(10,15)(14,21)(16,24)(17,23);(2,8)(6,7)(9,11,13,19)(10,16,15,24)(12,22,20,18)(14,23,21,17)Polycyclic presentation:
2^8|a^2=h,b^2=gh,d^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×#20316, #6361259, #6361264, … |
| maximal normal subgroup of | C2×#20316, #6361259, #6361264, … |
| maximal quotient of | #220923, #220924, #220926, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13304);