Finite Group Databasebeta

C7×#5429 #13057149

order1344
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#5429

Splittings

FittingC7×H(5,𝔽2) ⋊ D3

Subgroups

subgroupG/H
center, socleC2×C7GL(2,ℤ/4)
commutator, cosocle#41⋊C3C22×C7
FrattiniC4C2×C7×S4
FittingC7×H(5,𝔽2)D3
hypercenterC7×Q8S4
hypocenterSL(2,𝔽3)C7×D4
LCSG ▷ #41⋊C3 ▷ SL(2,𝔽3)
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×Q8

156 conjugacy classes of subgroups; only the 26 normal subgroups are shown.

normal subgroups only

This group has 156 conjugacy classes of subgroups — too many to draw. Only its 26 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) = 168

A minimal faithful permutation representation — 2 generators on 31 points:

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

Conjugacy classes & character table

119 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×SO+(4,𝔽3), ΓL(1,𝔽8)×#5429, D7×#5429
maximal normal subgroup ofΓL(1,𝔽8)×#5429, D7×#5429

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6438);