Finite Group Databasebeta

C7×C7⋊#10596817 #43249356

order28420
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×C7⋊#10596817
unambiguous semidirect productC7⋊(C7×#10596817)

Splittings

Fitting, socle, HallC5×C72×C29 ⋊ C4
derivedC5×C7×C29 ⋊ C4×C7
HallC72×C29 ⋊ Dic5
HallC5×C72 ⋊ #1181
HallC5×C29 ⋊ C7×Dic7
SylowC72 ⋊ #10596817
SylowC29 ⋊ C7×Dic35
SylowC5 ⋊ C7×C7⋊#1181

Subgroups

subgroupG/H
center, hypercenterC7C7⋊#10596817
commutator, hypocenterC5×C7×C29C4×C7
FrattiniC1G
Fitting, socleC5×C72×C29C4
prime radicalC5×C72×D29C2
cosocleC5×C7×D29C2×C7
LCSG ▷ C5×C7×C29
UCSC1 ◁ C7

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2030

Conjugacy classes & character table

1981 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28420, 131);