Finite Group Databasebeta

C7×C53×Dic21 #44528375

order31164
automorphism?
homologyAbelianization (H1) = C4×C7×C53 · Schur multiplier (H2) = C1

Aliases

direct productC7×C53×Dic21
unambiguous semidirect productC3⋊(C7×Dic7×C53)
unambiguous semidirect productC7⋊(C7×Dic3×C53)

Splittings

derivedC3×C7 ⋊ C4×C7×C53
HallC3×C72×C53 ⋊ C4
HallC72×C53 ⋊ Dic3
HallC3×C53 ⋊ C7×Dic7
HallC3×C72 ⋊ C4×C53
SylowC72 ⋊ Dic3×C53
SylowC3 ⋊ C7×Dic7×C53

Subgroups

subgroupG/H
center, hypercenterC2×C7×C53D21
commutator, hypocenterC3×C7C4×C7×C53
FrattiniC2C7×D21×C53
Fitting, socle, prime radicalC2×C3×C72×C53C2
cosocleC2×C3×C7C2×C7×C53
LCSG ▷ C3×C7
UCSC1 ◁ C2×C7×C53

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4452

Conjugacy classes & character table

8904 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31164, 67);