Finite Group Databasebeta

C7×#951 #10621348

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

Aliases

direct productC7×#951

Splittings

HallC3×C7 ⋊ #137
SylowC3 ⋊ C7×#137

Subgroups

subgroupG/H
centerC2×C7C2×#67
commutator, cosocleC3×C4C23×C7
FrattiniC4C22×D3×C7
Fitting, prime radicalC3×C7×#41C2
socleC2×C3×C7C2×D4
hypercenterC7×#41D3
hypocenterC3C7×#137
LCSG ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C7×#41

120 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 58 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) = 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)(14,22)(16,23)(18,19)(24,25);(11,13)(12,16)(14,21)(15,20)(17,25)(18,23)(19,24)(22,26);(9,10)(11,12,15,19)(13,16,20,24)(14,17,22,18)(21,25,26,23)

Conjugacy classes & character table

147 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13054803, #13054823, #13054826, …
maximal normal subgroup of#13054803, #13054823, #13054826, …
maximal quotient ofC7×#4996, C7×#4995, C7×#5004, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 930);