Finite Group Databasebeta

C7×#1873 #11730342

order896
nilpotency class3
isoclinismisoclinic class of #447
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1873

Subgroups

subgroupG/H
center, socleC23×C7C2×D4
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC24×C7D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C7 ◁ C23×C4×C7 ◁ G

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

normal subgroups only

This group has 360 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) = 31
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 3 generators on 31 points:

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

Conjugacy classes & character table

266 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13246129, D7×#1873, #13355012, …
maximal subgroup ofC7×#8488, C2×C7×#1873, C7×#20908, …
maximal normal subgroup ofC7×#8488, C2×C7×#1873, C7×#20908, …
maximal quotient ofC7×#8938, C7×#8941, C7×#8974, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5108);