Finite Group Databasebeta

C7×#1870 #11730339

order896
nilpotency class2
isoclinismisoclinic class of #392
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1870

Subgroups

subgroupG/H
centerC22×C4×C7C23
commutatorC23C22×C4×C7
Frattini, cosocleC22×C4C23×C7
socleC23×C7C22×C4
prime radicalC22×C7×D4C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C22×C4×C7 ◁ G

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

normal subgroups only

This group has 408 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) = 448

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

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13241005, #13241012, #13241101, …
maximal subgroup ofC7×#7282, C7×#7285, C7×#7320, …
maximal normal subgroup ofC7×#7282, C7×#7285, C7×#7320, …
maximal quotient ofC7×#8941, C7×#8942, C7×#8943, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5105);