Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3019 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C23×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
697 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 20 points:
(1,2,4,3)(6,11)(7,15)(8,9)(13,14)(16,17)(18,19);(1,3,4,2)(5,6)(7,12)(8,13)(9,11)(10,14)(15,19)(16,20)(17,18);(5,7)(6,12)(8,15)(9,17)(10,16)(11,18)(13,19)(14,20);(5,8,10,9)(6,13,14,11)(7,15,16,17)(12,19,20,18)Polycyclic presentation:
2^8|a^2=g,b^2=g,d^2=h,e^2=h,f^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eh,f^a=fh,e^b=eh,f^c=fh58 conjugacy classes — view the full character table.
| maximal subgroup of | #365174, #365175, #365447, … |
| maximal normal subgroup of | #365174, #365175, #365447, … |
| maximal quotient of | #191810, #191815, #191820, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13853);