Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10046 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | #120 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
208 conjugacy classes of subgroups; only the 69 normal subgroups are shown.
This group has 208 conjugacy classes of subgroups — too many to draw. Only its 69 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) = 256 |
A minimal faithful permutation representation — 3 generators on 32 points:
(1,2,4,6)(3,7,8,5)(9,10,11,13)(12,14,16,15)(17,18,20,23)(19,27,29,32)(21,26,22,25)(24,28,31,30);(1,3,4,8)(2,5,6,7)(10,13)(14,15)(18,23)(19,28)(21,22)(24,27)(29,30)(31,32);(10,14)(12,16)(13,15)(17,19,20,29)(18,24,23,31)(21,28,22,30)(25,32,26,27)Polycyclic presentation:
2^8|a^2=d,b^2=dg,c^2=h,e^2=g,f^2=h,b^a=bd,c^a=ce,e^a=eg,f^a=fh,c^b=cf,e^b=eh,f^b=fh,e^c=eg,f^c=fh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10353, #238108, #238110, … |
| maximal normal subgroup of | C2×#10353, #238108, #238110, … |
| maximal quotient of | #104721, #104722, #104726, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3341);