Finite Group Databasebeta

C7×#15690920 #36344232

order21756
automorphism?
homologyAbelianization (H1) = C3×C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×#15690920

Splittings

derivedC7×C37 ⋊ C3×C4×C7
HallC72×Dic37 ⋊ C3
HallC7×#11715913 ⋊ C4
HallC72×C37 ⋊ C3×C4
HallDic37 ⋊ C7×ΓL(1,𝔽8)
SylowC72 ⋊ Dic37⋊C3
SylowC37 ⋊ C4×C7×ΓL(1,𝔽8)

Subgroups

subgroupG/H
center, hypercenterC2×C7#13095531
commutator, hypocenterC7×C37C3×C4×C7
FrattiniC2C7×#13095531
Fitting, socleC2×C72×C37C2×C3
prime radicalC2×C7×#11715913C2
cosocleC2×C7×C37C2×C3×C7
LCSG ▷ C7×C37
UCSC1 ◁ C2×C7

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 3108

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21756, 85);