Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18930 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | #3214 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
440 conjugacy classes of subgroups; only the 113 normal subgroups are shown.
This group has 440 conjugacy classes of subgroups — too many to draw. Only its 113 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) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,12)(4,9)(5,10)(6,15)(7,11)(8,13)(14,16)(18,23)(19,26)(20,21)(25,29)(27,28)(30,31);(1,3,7,4)(2,8,11,16)(5,13,6,14)(9,15,12,10)(17,18)(19,24)(20,23)(21,29)(22,25)(26,30)(27,31)(28,32);(1,4,7,3)(2,9,11,12)(5,13,6,14)(8,15,16,10)(17,19,22,28)(18,24,25,32)(20,26,21,27)(23,30,29,31);(1,5,7,6)(2,10,11,15)(3,13,4,14)(8,9,16,12)(17,20,22,21)(18,23,25,29)(19,27,28,26)(24,31,32,30)Polycyclic presentation:
2^8|b^2=gh,c^2=g,d^2=g,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,e^b=eg,f^b=fh,d^c=dg,e^c=eh,f^c=fh37 conjugacy classes — view the full character table.
| maximal subgroup of | #245310, #245315, #245325, … |
| maximal normal subgroup of | #245310, #245315, #245325, … |
| maximal quotient of | #170403, #170452, #170487, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11940);