Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61609 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #529 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
928 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(2,5)(3,7)(9,10,13,17)(11,18,20,23)(12,16,14,21)(15,22,24,19);(1,2)(3,6)(4,5)(7,8)(9,10)(11,15)(12,21)(13,17)(14,16)(18,19)(20,24)(22,23);(9,11)(10,15)(12,19)(13,20)(14,22)(16,23)(17,24)(18,21);(2,5)(6,8)(9,12,13,14)(10,16,17,21)(11,19,20,22)(15,23,24,18);(1,3,4,7)(2,6,5,8)(10,17)(15,24)(16,21)(18,23)Polycyclic presentation:
2^8|a^2=h,d^2=h,e^2=fh,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,e^b=eh,g^c=gh49 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#62024, #10578820, #10578916, … |
| maximal normal subgroup of | C2×#62024, #10578820, #10578916, … |
| maximal quotient of | #6386436, #6388481, #6388632, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55012);