Finite Group Databasebeta

C7×#1940 #11730409

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

Aliases

direct productC7×#1940

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

248 conjugacy classes of subgroups; only the 136 normal subgroups are shown.

normal subgroups only

This group has 248 conjugacy classes of subgroups — too many to draw. Only its 136 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) = 896

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

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13240596, #13247927, #13247934, …
maximal subgroup ofC7×#7124, C7×#8878, C7×#8879, …
maximal normal subgroup ofC7×#7124, C7×#8878, C7×#8879, …
maximal quotient ofC7×#9597, C7×#9598, C7×#9599, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5175);