Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #20286 |
| automorphism | Aut(G) order 8192 |
| 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 | D42 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
308 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 308 conjugacy classes of subgroups — too many to draw. Only its 99 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,5,8)(3,9,10,16)(4,13,14,7)(6,11,15,12)(17,18)(19,22)(20,23)(21,24)(25,28)(26,30)(27,31)(29,32);(1,3,5,10)(2,6,8,15)(4,11,14,12)(7,16,13,9)(17,19)(18,22)(20,27)(21,26)(23,31)(24,30)(25,29)(28,32);(3,10)(6,15)(9,16)(11,12)(18,23)(19,26)(20,28)(22,29)(24,25)(30,31);(3,11)(4,14)(6,16)(7,13)(9,15)(10,12)(18,24)(22,30)(23,25)(29,31)Polycyclic presentation:
2^8|a^2=g,b^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 | #153641, C2×#20289, #6361239, … |
| maximal normal subgroup of | #153641, C2×#20289, #6361239, … |
| maximal quotient of | #220913, #220928, #225649, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13277);