Finite Group Databasebeta

C7×#1663 #11730132

order896
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#1663

Subgroups

subgroupG/H
center, socle, prime radicalC22×C7#120
commutator, Frattini, cosocleC42C23×C7
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C7 ◁ C42×C7 ◁ G

172 conjugacy classes of subgroups; only the 60 normal subgroups are shown.

normal subgroups only

This group has 172 conjugacy classes of subgroups — too many to draw. Only its 60 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13241645, D7×#1663, #13334997, …
maximal subgroup ofC7×#7526, C2×C7×#1663, C7×#18990, …
maximal normal subgroup ofC7×#7526, C2×C7×#1663, C7×#18990, …
maximal quotient ofC7×#7763, C7×#7768, C7×#7772, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 4898);