Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle | C23 | C23×C4 |
| prime radical | C22×#41 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
733 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(1,2)(3,4)(5,6)(7,8)(9,10,14,11,13,16,21,18)(12,15,20,17,19,22,24,23);(2,4)(9,11,14,16,13,18,21,10)(12,17,20,22,19,23,24,15);(6,8)(9,12)(10,15)(11,17)(13,19)(14,20)(16,22)(18,23)(21,24);(12,19)(15,22)(17,23)(20,24)Polycyclic presentation:
2^8|a^2=g,b^2=g,g^2=h,b^a=be,c^a=cf,d^c=dh76 conjugacy classes — view the full character table.
| maximal subgroup of | #137720, #137751, #147317, … |
| maximal normal subgroup of | #137720, #137751, #147317, … |
| maximal quotient of | #191718, #191719, #191720, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 13826);