Finite Group Databasebeta

C7×#1912 #11730381

order896
nilpotency class3
isoclinismisoclinic class of #1909
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#1912

Subgroups

subgroupG/H
center, socleC2×C7#386
commutatorC2×C4C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC2×C7×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C7 ◁ C22×C4×C7 ◁ G

314 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 314 conjugacy classes of subgroups — too many to draw. Only its 108 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) = 39
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 39 points:

(1,2,3,4,5,6,7)(8,9,13,17,14,18,12,28)(10,19,23,30,22,34,21,15)(11,24,26,32,27,16,25,31)(20,33,37,29,36,39,35,38);(8,10)(9,15,18,30)(11,20)(12,21)(13,23)(14,22)(16,29,24,38)(17,19,28,34)(25,35)(26,37)(27,36)(31,39,32,33);(8,11,14,27)(9,16,18,24)(10,20,22,36)(12,26,13,25)(15,29,30,38)(17,32,28,31)(19,33,34,39)(21,37,23,35)

Conjugacy classes & character table

203 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13269707, #13269712, D7×#1912, …
maximal subgroup ofC7×#12781, C7×#12782, C2×C7×#1912, …
maximal normal subgroup ofC7×#12781, C7×#12782, C2×C7×#1912, …
maximal quotient ofC7×#9100, C7×#9102, C7×#9104, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5147);