Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #2218 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C2×D8 |
| commutator | C2×C8 | C22×C4 |
| Frattini, cosocle | C22×C8 | C23 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
159 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 3 generators on 28 points:
(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,14,19,15)(16,18,24,21)(17,25,28,22)(20,26,27,23);(6,9)(10,12)(13,15,18,25,20,26,17,24,19,14,21,22,27,23,28,16);(5,7,8,11)(6,10,9,12)(13,16,17,26,27,22,18,15,19,24,28,23,20,25,21,14)Polycyclic presentation:
2^8|a^2=f,b^2=e,c^2=d,d^2=gh,e^2=g,g^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=egh,g^a=gh,c^b=ch52 conjugacy classes — view the full character table.
| maximal subgroup of | #134990, #136397, #136398, … |
| maximal normal subgroup of | #134990, #136397, #136398, … |
| maximal quotient of | #135653, #135675, #135685, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 5878);