Finite Group Databasebeta

C7×#1991 #11730460

order896
nilpotency class3
isoclinismisoclinic class of #465
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C2×C4

Aliases

direct productC7×#1991

Subgroups

subgroupG/H
center, socle, prime radicalC23×C7C2×D4
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C7 ◁ C2×C42×C7 ◁ G

252 conjugacy classes of subgroups; only the 128 normal subgroups are shown.

normal subgroups only

This group has 252 conjugacy classes of subgroups — too many to draw. Only its 128 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) = 35
transitive degreeμt(G) = 896

A minimal faithful permutation representation — 3 generators on 35 points:

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13240622, #13241189, #13246345, …
maximal subgroup ofC7×#7135, C7×#7359, C7×#8529, …
maximal normal subgroup ofC7×#7135, C7×#7359, C7×#8529, …
maximal quotient ofC7×#9871, C7×#9875, C7×#9886, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5226);