Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #17082 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C42 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C24 | C24 |
| prime radical | C25 | C23 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
635 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(5,6,9,7)(8,11,12,10)(13,14)(15,18)(16,17)(19,20)(21,22)(23,25)(24,27)(26,28);(6,7)(8,12)(14,16)(18,20)(21,23,24,28)(22,25,27,26);(5,7,9,6)(8,10,12,11)(13,15,17,19)(14,18,16,20)(21,23)(22,26)(24,28)(25,27);(1,2)(3,4)(5,8,9,12)(6,10,7,11)(13,16,17,14)(15,18,19,20)(21,22)(23,26)(24,27)(25,28)Polycyclic presentation:
2^8|a^2=fg,b^2=f,c^2=e,d^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=def,d^c=de46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#17152, #844933, #844983, … |
| maximal normal subgroup of | C2×#17152, #844933, #844983, … |
| maximal quotient of | #156475, #156485, #156507, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10140);