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 | #1621 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
304 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(2,7)(3,5)(8,15)(9,13)(10,14)(11,16)(17,18)(19,23)(20,27)(21,29)(22,25)(24,26)(28,31)(30,32);(1,2,6,9)(3,7,5,13)(4,11,12,15)(8,14,16,10)(17,19,22,21)(18,23,25,29)(20,26,28,30)(24,31,32,27);(1,3,6,5)(2,7,9,13)(4,10,12,14)(8,15,16,11)(17,20,22,28)(18,24,25,32)(19,26,21,30)(23,31,29,27);(1,4,6,12)(2,8,9,16)(3,10,5,14)(7,15,13,11)Polycyclic presentation:
2^8|b^2=gh,c^2=gh,d^2=g,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×#19833, #6358179, #6358240, … |
| maximal normal subgroup of | C2×#19833, #6358179, #6358240, … |
| maximal quotient of | #220755, #220851, #222475, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12821);