Finite Group Databasebeta

C7×#1684 #11730153

order896
nilpotency class3
isoclinismisoclinic class of #1665
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#1684

Subgroups

subgroupG/H
center, socle, prime radicalC22×C7#121
commutator, Frattini, cosocleC42C23×C7
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C7 ◁ C42×C7 ◁ G

144 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 144 conjugacy classes of subgroups — too many to draw. Only its 68 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)(8,9,12,15)(10,16,19,23)(11,20,17,14)(13,21,22,18)(24,25)(26,32)(27,29)(28,36)(30,34)(31,35)(33,39)(37,38);(8,10,17,21,12,19,11,18)(9,13,20,23,15,22,14,16)(25,29)(30,38)(31,36)(32,39);(24,26,27,33)(25,30,29,38)(28,37,35,34)(31,39,36,32)

Conjugacy classes & character table

203 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD7×#1684, #13336209, #13336243, …
maximal subgroup ofC2×C7×#1684, C7×#19123, C7×#19126, …
maximal normal subgroup ofC2×C7×#1684, C7×#19123, C7×#19126, …
maximal quotient ofC7×#8649, C7×#9216, C7×#9220, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 4919);