Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #61629 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #3119 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #533 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
814 conjugacy classes of subgroups.
| minimal degree | μ(G) = 48 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 48 points:
(1,2)(3,9)(4,7)(5,8)(6,11)(10,15)(12,14)(13,16)(17,18)(19,24)(20,31)(21,26)(22,35)(23,27)(25,32)(28,43)(29,38)(30,39)(33,41)(34,40)(36,42)(37,46)(44,48)(45,47);(1,3,5,11)(2,6,8,9)(4,12,13,10)(7,15,16,14)(17,19)(18,24)(20,28)(21,34)(22,30)(23,29)(25,37)(26,40)(27,38)(31,43)(32,46)(33,44)(35,39)(36,45)(41,48)(42,47);(17,20)(18,25)(19,28)(21,32)(22,36)(23,33)(24,37)(26,41)(27,42)(29,44)(30,45)(31,35)(34,46)(38,47)(39,43)(40,48);(1,4,5,13)(2,7,8,16)(3,10,11,12)(6,14,9,15)(19,29)(24,38)(28,44)(30,34)(37,47)(39,40)(43,48)(45,46);(2,8)(6,9)(7,16)(14,15)(17,21,23,22)(18,26,27,35)(19,30,29,34)(20,32,33,36)(24,39,38,40)(25,41,42,31)(28,45,44,46)(37,43,47,48)Polycyclic presentation:
2^8|b^2=f,d^2=f,e^2=h,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=dfh,e^b=eh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#61867, #10578269, #10578292, … |
| maximal normal subgroup of | C2×#61867, #10578269, #10578292, … |
| maximal quotient of | #6386264, #6388048, #6388049, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 54855);