Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #19755 |
| 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 | C2×D8 | D4 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
321 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,5)(3,8)(6,7)(9,10,13,16)(11,17,19,24)(12,20,22,15)(14,21,23,18);(1,2)(3,6)(4,7)(5,8);(9,11,13,19)(10,14,16,23)(12,21,22,18)(15,24,20,17);(2,6)(3,8)(5,7)Polycyclic presentation:
2^8|a^2=h,c^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^b=de,e^b=eg,f^c=fh,e^d=eg40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#19811, #6358162, #6358233, … |
| maximal normal subgroup of | C2×#19811, #6358162, #6358233, … |
| maximal quotient of | #220742, #220852, #222481, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12799);