Finite Group Databasebeta

C7×#20572 #13197788

order1792
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C22×C42×C7 · Schur multiplier (H2) = C25

Aliases

direct productC7×#20572

Subgroups

subgroupG/H
centerC22×C4×C7C24
commutatorC22C22×C42×C7
Frattini, cosocleC22×C4C24×C7
socle, prime radicalC23×C7C23×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4×C7 ◁ G

914 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 1792

A minimal faithful permutation representation — 4 generators on 27 points:

(1,2,3,4,5,6,7)(12,13)(14,17)(15,18)(16,19)(20,21,25,27,24,26,23,22);(8,9,10,11)(12,14,17,13)(15,18,16,19)(21,26)(22,27);(12,15,17,16)(13,18,14,19)(20,22,23,26,24,27,25,21);(12,16,17,15)(13,18,14,19)(20,23,24,25)(21,22,26,27)

Conjugacy classes & character table

700 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1792, 13560);