Finite Group Databasebeta

C7×#2102 #11730571

order896
nilpotency class3
isoclinismisoclinic class of #2031
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#2102

Subgroups

subgroupG/H
centerC4×C7#124
commutator, Frattini, cosocleC22×C4C23×C7
socleC2×C7#400
prime radicalC23×C7#41
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C7 ◁ C22×C4×C7 ◁ G

158 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 72 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) = 23
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 23 points:

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

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13241417, #13241420, #13267171, …
maximal subgroup ofC7×#7440, C7×#7441, C7×#12307, …
maximal normal subgroup ofC7×#7440, C7×#7441, C7×#12307, …
maximal quotient ofC7×#10687, C7×#10688, C7×#10689, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5337);