Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23886 |
| automorphism | Aut(G) order 4096 |
| 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×AGL(1,ℤ/8) | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
366 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2,5,7)(3,6,4,8)(9,10,14,18)(11,20,16,23)(12,21,22,15)(13,19,24,17);(1,3,5,4)(2,6,7,8)(9,11,14,16)(10,12,18,22)(13,21,24,15)(17,23,19,20);(1,4,5,3)(2,6,7,8)(9,12)(10,15)(11,19)(13,20)(14,22)(16,17)(18,21)(23,24);(9,12)(10,16)(11,18)(13,23)(14,22)(15,17)(19,21)(20,24)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fh,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,e^b=eh,g^b=gh,g^c=gh,e^d=eh43 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#26402, #6439251, #6439252, … |
| maximal normal subgroup of | C2×#26402, #6439251, #6439252, … |
| maximal quotient of | #307885, #307888, #307889, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 19390);