Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #30396 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C22⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
492 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,4)(9,10,14,18)(11,16,13,15)(12,20,22,23)(17,19,24,21);(5,6)(7,8)(10,15)(11,13)(12,21)(16,18)(19,22)(20,23);(2,4)(6,8)(9,11,14,13)(10,16,18,15)(12,19,22,21)(17,20,24,23);(2,4)(9,12,13,21,14,22,11,19)(10,17,16,20,18,24,15,23)Polycyclic presentation:
2^8|a^2=h,c^2=h,d^2=e,e^2=h,b^a=be,c^a=cf,d^a=def,e^a=eh,c^b=cg,d^b=de,e^b=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | #6632651, #6632659, #6632661, … |
| maximal normal subgroup of | #6632651, #6632659, #6632661, … |
| maximal quotient of | #339739, #339740, #339743, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23838);