Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3057 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×AGL(1,ℤ/8) | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
839 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,4)(5,6,7,8)(10,14)(11,18)(12,15)(16,23)(17,21)(19,22);(1,2,3,4)(6,8)(9,10,15,21,13,17,12,14)(11,16,22,24,19,23,18,20);(9,11,12,18,13,19,15,22)(10,16,14,20,17,23,21,24);(11,19)(16,23)(18,22)(20,24)Polycyclic presentation:
2^8|a^2=g,b^2=egh,c^2=f,e^2=h,f^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #355851, #366622, #366693, … |
| maximal normal subgroup of | #355851, #366622, #366693, … |
| maximal quotient of | #204268, #204285, #204302, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14223);