Finite Group Databasebeta

C7×#912 #10621309

order672
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#912

Splittings

FittingC3×C7×D8 ⋊ C2
HallC3×C7 ⋊ #135
SylowC3 ⋊ C7×#135

Subgroups

subgroupG/H
centerC2×C7D3×D4
commutator, cosocleC3×C4C23×C7
FrattiniC4C22×D3×C7
FittingC3×C7×D8C2
socleC2×C3×C7C2×D4
hypercenterC7×D8D3
hypocenterC3C7×#135
LCSG ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×D8

124 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 3 generators on 26 points:

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

Conjugacy classes & character table

147 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13053646, #13053652, #13053659, …
maximal normal subgroup of#13053646, #13053652, #13053659, …
maximal quotient ofC7×#4766, C7×#4767, C7×#4768, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 891);