Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle, prime radical | C23 | C23×C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
370 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(6,10)(11,12)(13,14,16,19,17,20,23,26)(15,18,22,25,21,24,27,28);(5,6,9,10)(7,11,8,12)(13,15)(14,18)(16,22)(17,21)(19,25)(20,24)(23,27)(26,28);(1,2,3,4)(5,7,9,8)(6,11,10,12)(15,21)(18,24)(22,27)(25,28);(5,8,9,7)(6,11,10,12)Polycyclic presentation:
2^8|a^2=g,b^2=e,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,c^b=ch,d^b=de76 conjugacy classes — view the full character table.
| maximal subgroup of | #225465, #225467, #225469, … |
| maximal normal subgroup of | #225465, #225467, #225469, … |
| maximal quotient of | #226432, #226433, #226434, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15723);