Finite Group Databasebeta

C2×D4×C81 #13046356

order1296
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C81 · Schur multiplier (H2) = C23

Aliases

direct productC2×D4×C81
unambiguous semidirect productC4⋊(C22×C81)

Subgroups

subgroupG/H
centerC22×C81C22
commutatorC2C23×C81
Frattini, cosocleC2×C27C23×C3
socleC22×C3C22×C27
prime radicalC2×C3×D4C27
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C81 ◁ G

135 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 87
transitive degreeμt(G) = 648

A minimal faithful permutation representation — 3 generators on 87 points:

(1,2)(7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87);(3,4,5,6);(4,6)

Conjugacy classes & character table

810 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1296, 74);