Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23886 |
| 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 | C22×C4 | C24 |
| prime radical | C2×#127 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
391 conjugacy classes of subgroups; only the 111 normal subgroups are shown.
This group has 391 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 32 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,4,5)(3,7,8,6)(9,10,15,16,14,11,13,18)(12,20,22,17,23,24,21,19);(2,5)(6,7)(9,11,14,10)(12,19,23,17)(13,18,15,16)(20,22,24,21);(10,16)(11,18)(13,15)(17,20)(19,24)(21,22);(1,3,4,8)(2,6,5,7)(9,12,14,23)(10,17,11,19)(13,22,15,21)(16,20,18,24)Polycyclic presentation:
2^8|a^2=eh,b^2=h,d^2=ef,e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,e^b=eh,f^b=fh,g^b=gh,e^c=eh,f^c=fh,g^c=gh,e^d=eh,f^d=fh43 conjugacy classes — view the full character table.
| maximal subgroup of | #151232, #151234, #151408, … |
| maximal normal subgroup of | #151232, #151234, #151408, … |
| maximal quotient of | #312036, #312037, #312038, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 19911);