Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #2018 |
| automorphism | Aut(G) order 8192 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | #121 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C23×C4 | C23 |
| prime radical | C24 | #41 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C23×C4 ▷ C2 ▷ C1 | |
295 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(1,2,3,4)(5,6,8,7)(9,10)(11,19)(12,15)(13,17)(14,18)(16,22)(20,23)(21,24);(5,7,8,6)(10,15)(11,20)(12,13)(16,19)(17,18)(23,24);(6,7)(9,11,12,21,14,20,13,22)(10,16,17,23,18,24,15,19)Polycyclic presentation:
2^8|a^2=g,b^2=de,c^2=d,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,f^a=fh,c^b=cf,d^b=dh,e^b=eh,f^c=fh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#11303, #358336, #358337, … |
| maximal normal subgroup of | C2×#11303, #358336, #358337, … |
| maximal quotient of | #121073, #121074, #121078, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4291);