Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #2018 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C25 |
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 | |
437 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 3 generators on 24 points:
(2,4)(5,6,7,8)(9,10,15,18)(11,14,17,13)(12,20,23,19)(16,21,24,22);(1,2,3,4)(9,11,13,10,15,17,14,18)(12,19,21,24,23,20,22,16);(9,12,15,23)(10,16,18,24)(11,19,17,20)(13,22,14,21)Polycyclic presentation:
2^8|a^2=g,b^2=d,c^2=h,d^2=h,e^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,f^a=fh,c^b=cf,f^b=fh,d^c=dh,e^c=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#11145, #357842, #357843, … |
| maximal normal subgroup of | C2×#11145, #357842, #357843, … |
| maximal quotient of | #116998, #117036, #117042, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 4133);