Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #10176 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | #392 |
| commutator, Frattini, cosocle | C2×C42 | C23 |
| prime radical | #532 | C22 |
| LCS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C2×C42 ▷ C22 ▷ C1 | |
259 conjugacy classes of subgroups; only the 61 normal subgroups are shown.
This group has 259 conjugacy classes of subgroups — too many to draw. Only its 61 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,5,8)(3,7,4,6)(10,15)(11,19)(12,13)(17,18)(20,23)(21,22);(2,6)(3,4)(7,8)(9,10)(11,20)(12,17)(13,15)(14,18)(16,19)(21,24)(22,23);(1,3,5,4)(2,7,8,6)(9,11,14,22)(10,16,18,24)(12,19,13,21)(15,20,17,23)Polycyclic presentation:
2^8|a^2=gh,c^2=g,d^2=g,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fh,c^b=cf,d^b=dg,f^b=fh,d^c=dh,e^c=eh,f^c=fh37 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#10189, #237204, #237206, … |
| maximal normal subgroup of | C2×#10189, #237204, #237206, … |
| maximal quotient of | #102482, #102486, #102490, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 3177);