Finite Group Databasebeta

C7×#1840 #11730309

order896
nilpotency class2
isoclinismisoclinic class of #392
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#1840

Subgroups

subgroupG/H
centerC22×C4×C7C23
commutatorC23C22×C4×C7
Frattini, cosocleC22×C4C23×C7
socle, prime radicalC23×C7C22×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4×C7 ◁ G

196 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 896

A minimal faithful permutation representation — 3 generators on 39 points:

(1,2,3,4,5,6,7)(8,9)(10,15)(11,13)(12,14)(16,17)(18,20)(19,21)(22,23)(24,25,27,30,28,31,34,37)(26,29,33,36,32,35,38,39);(8,10,12,11)(9,13,14,15)(16,18,19,22)(17,20,21,23)(24,26)(25,29)(27,33)(28,32)(30,36)(31,35)(34,38)(37,39);(8,11,12,10)(9,13,14,15)(17,21)(20,23)(26,32)(29,35)(33,38)(36,39)

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1840, #13354047, #13354052, …
maximal subgroup ofC2×C7×#1840, C7×#20773, C7×#20774, …
maximal normal subgroup ofC2×C7×#1840, C7×#20773, C7×#20774, …
maximal quotient ofC7×#8802, C7×#10796, C7×#11298, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5075);