Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24269 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
359 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,4,6)(3,7,8,5)(9,10)(11,14)(12,13)(15,16)(17,18)(19,22)(20,24)(21,23)(25,29)(26,31)(27,30)(28,32);(1,3,4,8)(2,5,6,7)(17,19,20,26,21,27,28,25)(18,22,24,31,23,30,32,29);(10,13)(14,16)(19,25)(20,28)(22,29)(24,32)(26,27)(30,31);(2,6)(5,7)(9,11,12,15)(10,14,13,16)(18,23)(22,30)(24,32)(29,31)Polycyclic presentation:
2^8|a^2=e,b^2=eg,d^2=f,g^2=h,b^a=be,c^a=cf,d^a=deh,c^b=cg,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#28889, #6460093, #6460112, … |
| maximal normal subgroup of | C2×#28889, #6460093, #6460112, … |
| maximal quotient of | #362374, #363034, #367631, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 21877);