Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #19456 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#121 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | #3115 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
305 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,5,8)(3,9,10,16)(4,12,13,7)(6,14,15,11)(17,18)(19,23)(20,25)(21,30)(22,26)(24,27)(28,32)(29,31);(1,3,4,11,5,10,13,14)(2,6,7,9,8,15,12,16)(17,19)(18,23)(20,29)(21,27)(22,28)(24,30)(25,31)(26,32);(17,19)(18,24)(20,27)(21,29)(22,28)(23,30)(25,32)(26,31);(3,10)(6,15)(9,16)(11,14)(17,20,22,21)(18,25,26,30)(19,27,28,29)(23,24,32,31)Polycyclic presentation:
2^8|a^2=g,b^2=e,d^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^b=dgh,f^c=fh40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#19481, #6354555, #6354578, … |
| maximal normal subgroup of | C2×#19481, #6354555, #6354578, … |
| maximal quotient of | #189156, #197891, #197974, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12469);