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) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle | C23 | C23×C4 |
| prime radical | #2388 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
582 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 24 points:
(2,4)(5,6)(7,8)(9,10,13,17,14,11,15,19)(12,16,21,23,20,18,22,24);(1,2)(3,4)(9,11,13,19,14,10,15,17)(12,16,21,23,20,18,22,24);(6,8)(9,12)(10,16)(11,18)(13,21)(14,20)(15,22)(17,23)(19,24);(2,4)(10,11)(12,20)(17,19)(21,22)Polycyclic presentation:
2^8|a^2=g,b^2=g,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=ch,d^b=deh,d^c=dh76 conjugacy classes — view the full character table.
| maximal subgroup of | #136292, #137293, #139966, … |
| maximal normal subgroup of | #136292, #137293, #139966, … |
| maximal quotient of | #226990, #226991, #226992, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15841);