Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C29 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
2077 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 5 generators on 20 points:
(2,4)(5,6)(7,11)(8,12)(9,10)(15,19)(18,20);(6,10)(7,12)(14,17)(18,20);(1,2)(3,4)(13,14)(15,18)(16,17)(19,20);(5,7)(6,8)(9,12)(10,11)(13,14)(15,18)(16,17)(19,20);(5,8)(6,7)(9,11)(10,12)(13,15)(14,18)(16,19)(17,20)Polycyclic presentation:
2^8|b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | #131970, #147811, #213922, … |
| maximal normal subgroup of | #131970, #147811, #213922, … |
| maximal quotient of | #553714, #553977, #554168, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29690);